Home / 3,706.06-5,115.65-2,134.78

Finding the Fourth Proportional to 3,706.06, 5,115.65 and 2,134.78

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Solution

The fourth proportional to 3,706.06, 5,115.65 and 2,134.78 is: 2,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.06 : 5,115.65 = 2,134.78 : x
  2. Step 2: Convert to fraction form
    3,706.06/5,115.65 = 2,134.78/x
  3. Step 3: Cross multiply
    3,706.06x = 5,115.65 × 2,134.78
  4. Step 4: Simplify right side
    3,706.06x = 10,920,787.31
  5. Step 5: Solve for x
    x = 10,920,787.31/3,706.06
  6. Step 6: Final answer
    x = 2,946.74

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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.