Home / 2,487.14-3,430.82-1,554.02

Finding the Fourth Proportional to 2,487.14, 3,430.82 and 1,554.02

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Solution

The fourth proportional to 2,487.14, 3,430.82 and 1,554.02 is: 2,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.14 : 3,430.82 = 1,554.02 : x
  2. Step 2: Convert to fraction form
    2,487.14/3,430.82 = 1,554.02/x
  3. Step 3: Cross multiply
    2,487.14x = 3,430.82 × 1,554.02
  4. Step 4: Simplify right side
    2,487.14x = 5,331,562.90
  5. Step 5: Solve for x
    x = 5,331,562.90/2,487.14
  6. Step 6: Final answer
    x = 2,143.65

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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.