Home / 3,730.18-5,147.58-2,551.21

Finding the Fourth Proportional to 3,730.18, 5,147.58 and 2,551.21

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Solution

The fourth proportional to 3,730.18, 5,147.58 and 2,551.21 is: 3,520.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.18 : 5,147.58 = 2,551.21 : x
  2. Step 2: Convert to fraction form
    3,730.18/5,147.58 = 2,551.21/x
  3. Step 3: Cross multiply
    3,730.18x = 5,147.58 × 2,551.21
  4. Step 4: Simplify right side
    3,730.18x = 13,132,557.57
  5. Step 5: Solve for x
    x = 13,132,557.57/3,730.18
  6. Step 6: Final answer
    x = 3,520.62

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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.