Home / 2,387.79-3,572.33-2,110.77

Finding the Fourth Proportional to 2,387.79, 3,572.33 and 2,110.77

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Solution

The fourth proportional to 2,387.79, 3,572.33 and 2,110.77 is: 3,157.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.79 : 3,572.33 = 2,110.77 : x
  2. Step 2: Convert to fraction form
    2,387.79/3,572.33 = 2,110.77/x
  3. Step 3: Cross multiply
    2,387.79x = 3,572.33 × 2,110.77
  4. Step 4: Simplify right side
    2,387.79x = 7,540,356.44
  5. Step 5: Solve for x
    x = 7,540,356.44/2,387.79
  6. Step 6: Final answer
    x = 3,157.88

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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.