Home / 3,715.46-5,569.70-1,248.55

Finding the Fourth Proportional to 3,715.46, 5,569.70 and 1,248.55

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Solution

The fourth proportional to 3,715.46, 5,569.70 and 1,248.55 is: 1,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.46 : 5,569.70 = 1,248.55 : x
  2. Step 2: Convert to fraction form
    3,715.46/5,569.70 = 1,248.55/x
  3. Step 3: Cross multiply
    3,715.46x = 5,569.70 × 1,248.55
  4. Step 4: Simplify right side
    3,715.46x = 6,954,052.00
  5. Step 5: Solve for x
    x = 6,954,052.00/3,715.46
  6. Step 6: Final answer
    x = 1,871.65

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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.