Home / 1,432.28-2,148.60-610.68

Finding the Fourth Proportional to 1,432.28, 2,148.60 and 610.68

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Solution

The fourth proportional to 1,432.28, 2,148.60 and 610.68 is: 916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.28 : 2,148.60 = 610.68 : x
  2. Step 2: Convert to fraction form
    1,432.28/2,148.60 = 610.68/x
  3. Step 3: Cross multiply
    1,432.28x = 2,148.60 × 610.68
  4. Step 4: Simplify right side
    1,432.28x = 1,312,107.05
  5. Step 5: Solve for x
    x = 1,312,107.05/1,432.28
  6. Step 6: Final answer
    x = 916.10

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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.