Home / 3,730.90-5,148.92-2,469.76

Finding the Fourth Proportional to 3,730.90, 5,148.92 and 2,469.76

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Solution

The fourth proportional to 3,730.90, 5,148.92 and 2,469.76 is: 3,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.90 : 5,148.92 = 2,469.76 : x
  2. Step 2: Convert to fraction form
    3,730.90/5,148.92 = 2,469.76/x
  3. Step 3: Cross multiply
    3,730.90x = 5,148.92 × 2,469.76
  4. Step 4: Simplify right side
    3,730.90x = 12,716,596.66
  5. Step 5: Solve for x
    x = 12,716,596.66/3,730.90
  6. Step 6: Final answer
    x = 3,408.45

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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.