Home / 3,437.38-5,153.75-1,587.47

Finding the Fourth Proportional to 3,437.38, 5,153.75 and 1,587.47

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Solution

The fourth proportional to 3,437.38, 5,153.75 and 1,587.47 is: 2,380.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.38 : 5,153.75 = 1,587.47 : x
  2. Step 2: Convert to fraction form
    3,437.38/5,153.75 = 1,587.47/x
  3. Step 3: Cross multiply
    3,437.38x = 5,153.75 × 1,587.47
  4. Step 4: Simplify right side
    3,437.38x = 8,181,423.51
  5. Step 5: Solve for x
    x = 8,181,423.51/3,437.38
  6. Step 6: Final answer
    x = 2,380.14

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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.