Home / 3,507.98-5,261.76-1,316.52

Finding the Fourth Proportional to 3,507.98, 5,261.76 and 1,316.52

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Solution

The fourth proportional to 3,507.98, 5,261.76 and 1,316.52 is: 1,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.98 : 5,261.76 = 1,316.52 : x
  2. Step 2: Convert to fraction form
    3,507.98/5,261.76 = 1,316.52/x
  3. Step 3: Cross multiply
    3,507.98x = 5,261.76 × 1,316.52
  4. Step 4: Simplify right side
    3,507.98x = 6,927,212.28
  5. Step 5: Solve for x
    x = 6,927,212.28/3,507.98
  6. Step 6: Final answer
    x = 1,974.70

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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.