Home / 3,730.20-5,614.26-2,810.40

Finding the Fourth Proportional to 3,730.20, 5,614.26 and 2,810.40

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Solution

The fourth proportional to 3,730.20, 5,614.26 and 2,810.40 is: 4,229.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.20 : 5,614.26 = 2,810.40 : x
  2. Step 2: Convert to fraction form
    3,730.20/5,614.26 = 2,810.40/x
  3. Step 3: Cross multiply
    3,730.20x = 5,614.26 × 2,810.40
  4. Step 4: Simplify right side
    3,730.20x = 15,778,316.30
  5. Step 5: Solve for x
    x = 15,778,316.30/3,730.20
  6. Step 6: Final answer
    x = 4,229.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.