Home / 2,572.42-3,860.79-2,062.66

Finding the Fourth Proportional to 2,572.42, 3,860.79 and 2,062.66

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Solution

The fourth proportional to 2,572.42, 3,860.79 and 2,062.66 is: 3,095.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.42 : 3,860.79 = 2,062.66 : x
  2. Step 2: Convert to fraction form
    2,572.42/3,860.79 = 2,062.66/x
  3. Step 3: Cross multiply
    2,572.42x = 3,860.79 × 2,062.66
  4. Step 4: Simplify right side
    2,572.42x = 7,963,497.10
  5. Step 5: Solve for x
    x = 7,963,497.10/2,572.42
  6. Step 6: Final answer
    x = 3,095.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.