Home / 3,915.45-5,872.87-1,834.92

Finding the Fourth Proportional to 3,915.45, 5,872.87 and 1,834.92

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Solution

The fourth proportional to 3,915.45, 5,872.87 and 1,834.92 is: 2,752.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.45 : 5,872.87 = 1,834.92 : x
  2. Step 2: Convert to fraction form
    3,915.45/5,872.87 = 1,834.92/x
  3. Step 3: Cross multiply
    3,915.45x = 5,872.87 × 1,834.92
  4. Step 4: Simplify right side
    3,915.45x = 10,776,248.91
  5. Step 5: Solve for x
    x = 10,776,248.91/3,915.45
  6. Step 6: Final answer
    x = 2,752.24

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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.