Home / 3,140.69-4,334.34-1,796.72

Finding the Fourth Proportional to 3,140.69, 4,334.34 and 1,796.72

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Solution

The fourth proportional to 3,140.69, 4,334.34 and 1,796.72 is: 2,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.69 : 4,334.34 = 1,796.72 : x
  2. Step 2: Convert to fraction form
    3,140.69/4,334.34 = 1,796.72/x
  3. Step 3: Cross multiply
    3,140.69x = 4,334.34 × 1,796.72
  4. Step 4: Simplify right side
    3,140.69x = 7,787,595.36
  5. Step 5: Solve for x
    x = 7,787,595.36/3,140.69
  6. Step 6: Final answer
    x = 2,479.58

Related Problems

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.