Home / 3,747.90-5,173.58-2,471.58

Finding the Fourth Proportional to 3,747.90, 5,173.58 and 2,471.58

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Solution

The fourth proportional to 3,747.90, 5,173.58 and 2,471.58 is: 3,411.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.90 : 5,173.58 = 2,471.58 : x
  2. Step 2: Convert to fraction form
    3,747.90/5,173.58 = 2,471.58/x
  3. Step 3: Cross multiply
    3,747.90x = 5,173.58 × 2,471.58
  4. Step 4: Simplify right side
    3,747.90x = 12,786,916.08
  5. Step 5: Solve for x
    x = 12,786,916.08/3,747.90
  6. Step 6: Final answer
    x = 3,411.75

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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.