Home / 3,730.32-5,148.92-2,488.32

Finding the Fourth Proportional to 3,730.32, 5,148.92 and 2,488.32

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Solution

The fourth proportional to 3,730.32, 5,148.92 and 2,488.32 is: 3,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.32 : 5,148.92 = 2,488.32 : x
  2. Step 2: Convert to fraction form
    3,730.32/5,148.92 = 2,488.32/x
  3. Step 3: Cross multiply
    3,730.32x = 5,148.92 × 2,488.32
  4. Step 4: Simplify right side
    3,730.32x = 12,812,148.17
  5. Step 5: Solve for x
    x = 12,812,148.17/3,730.32
  6. Step 6: Final answer
    x = 3,434.60

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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.