Home / 2,487.36-3,432.65-1,492.45

Finding the Fourth Proportional to 2,487.36, 3,432.65 and 1,492.45

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Solution

The fourth proportional to 2,487.36, 3,432.65 and 1,492.45 is: 2,059.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.36 : 3,432.65 = 1,492.45 : x
  2. Step 2: Convert to fraction form
    2,487.36/3,432.65 = 1,492.45/x
  3. Step 3: Cross multiply
    2,487.36x = 3,432.65 × 1,492.45
  4. Step 4: Simplify right side
    2,487.36x = 5,123,033.87
  5. Step 5: Solve for x
    x = 5,123,033.87/2,487.36
  6. Step 6: Final answer
    x = 2,059.63

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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.