Home / 3,724.86-5,137.45-2,530.76

Finding the Fourth Proportional to 3,724.86, 5,137.45 and 2,530.76

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Solution

The fourth proportional to 3,724.86, 5,137.45 and 2,530.76 is: 3,490.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.86 : 5,137.45 = 2,530.76 : x
  2. Step 2: Convert to fraction form
    3,724.86/5,137.45 = 2,530.76/x
  3. Step 3: Cross multiply
    3,724.86x = 5,137.45 × 2,530.76
  4. Step 4: Simplify right side
    3,724.86x = 13,001,652.96
  5. Step 5: Solve for x
    x = 13,001,652.96/3,724.86
  6. Step 6: Final answer
    x = 3,490.51

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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.