Home / 2,420.75-3,631.64-1,034.13

Finding the Fourth Proportional to 2,420.75, 3,631.64 and 1,034.13

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Solution

The fourth proportional to 2,420.75, 3,631.64 and 1,034.13 is: 1,551.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.75 : 3,631.64 = 1,034.13 : x
  2. Step 2: Convert to fraction form
    2,420.75/3,631.64 = 1,034.13/x
  3. Step 3: Cross multiply
    2,420.75x = 3,631.64 × 1,034.13
  4. Step 4: Simplify right side
    2,420.75x = 3,755,587.87
  5. Step 5: Solve for x
    x = 3,755,587.87/2,420.75
  6. Step 6: Final answer
    x = 1,551.42

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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.