Home / 2,577.34-3,864.39-1,423.90

Finding the Fourth Proportional to 2,577.34, 3,864.39 and 1,423.90

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Solution

The fourth proportional to 2,577.34, 3,864.39 and 1,423.90 is: 2,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.34 : 3,864.39 = 1,423.90 : x
  2. Step 2: Convert to fraction form
    2,577.34/3,864.39 = 1,423.90/x
  3. Step 3: Cross multiply
    2,577.34x = 3,864.39 × 1,423.90
  4. Step 4: Simplify right side
    2,577.34x = 5,502,504.92
  5. Step 5: Solve for x
    x = 5,502,504.92/2,577.34
  6. Step 6: Final answer
    x = 2,134.96

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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.