Home / 3,155.30-4,732.95-3,150.74

Finding the Fourth Proportional to 3,155.30, 4,732.95 and 3,150.74

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Solution

The fourth proportional to 3,155.30, 4,732.95 and 3,150.74 is: 4,726.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.30 : 4,732.95 = 3,150.74 : x
  2. Step 2: Convert to fraction form
    3,155.30/4,732.95 = 3,150.74/x
  3. Step 3: Cross multiply
    3,155.30x = 4,732.95 × 3,150.74
  4. Step 4: Simplify right side
    3,155.30x = 14,912,318.53
  5. Step 5: Solve for x
    x = 14,912,318.53/3,155.30
  6. Step 6: Final answer
    x = 4,726.12

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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.