Home / 3,432.81-4,737.28-1,860.91

Finding the Fourth Proportional to 3,432.81, 4,737.28 and 1,860.91

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Solution

The fourth proportional to 3,432.81, 4,737.28 and 1,860.91 is: 2,568.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.81 : 4,737.28 = 1,860.91 : x
  2. Step 2: Convert to fraction form
    3,432.81/4,737.28 = 1,860.91/x
  3. Step 3: Cross multiply
    3,432.81x = 4,737.28 × 1,860.91
  4. Step 4: Simplify right side
    3,432.81x = 8,815,651.72
  5. Step 5: Solve for x
    x = 8,815,651.72/3,432.81
  6. Step 6: Final answer
    x = 2,568.06

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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.