Home / 2,487.81-3,432.55-1,602.54

Finding the Fourth Proportional to 2,487.81, 3,432.55 and 1,602.54

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Solution

The fourth proportional to 2,487.81, 3,432.55 and 1,602.54 is: 2,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.81 : 3,432.55 = 1,602.54 : x
  2. Step 2: Convert to fraction form
    2,487.81/3,432.55 = 1,602.54/x
  3. Step 3: Cross multiply
    2,487.81x = 3,432.55 × 1,602.54
  4. Step 4: Simplify right side
    2,487.81x = 5,500,798.68
  5. Step 5: Solve for x
    x = 5,500,798.68/2,487.81
  6. Step 6: Final answer
    x = 2,211.10

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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.