Home / 3,508.79-5,263.47-1,316.93

Finding the Fourth Proportional to 3,508.79, 5,263.47 and 1,316.93

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Solution

The fourth proportional to 3,508.79, 5,263.47 and 1,316.93 is: 1,975.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.79 : 5,263.47 = 1,316.93 : x
  2. Step 2: Convert to fraction form
    3,508.79/5,263.47 = 1,316.93/x
  3. Step 3: Cross multiply
    3,508.79x = 5,263.47 × 1,316.93
  4. Step 4: Simplify right side
    3,508.79x = 6,931,595.23
  5. Step 5: Solve for x
    x = 6,931,595.23/3,508.79
  6. Step 6: Final answer
    x = 1,975.50

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.