Home / 3,707.64-5,115.96-2,135.52

Finding the Fourth Proportional to 3,707.64, 5,115.96 and 2,135.52

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Solution

The fourth proportional to 3,707.64, 5,115.96 and 2,135.52 is: 2,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.64 : 5,115.96 = 2,135.52 : x
  2. Step 2: Convert to fraction form
    3,707.64/5,115.96 = 2,135.52/x
  3. Step 3: Cross multiply
    3,707.64x = 5,115.96 × 2,135.52
  4. Step 4: Simplify right side
    3,707.64x = 10,925,234.90
  5. Step 5: Solve for x
    x = 10,925,234.90/3,707.64
  6. Step 6: Final answer
    x = 2,946.68

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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.