Home / 1,452.18-2,177.01-630.48

Finding the Fourth Proportional to 1,452.18, 2,177.01 and 630.48

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Solution

The fourth proportional to 1,452.18, 2,177.01 and 630.48 is: 945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.18 : 2,177.01 = 630.48 : x
  2. Step 2: Convert to fraction form
    1,452.18/2,177.01 = 630.48/x
  3. Step 3: Cross multiply
    1,452.18x = 2,177.01 × 630.48
  4. Step 4: Simplify right side
    1,452.18x = 1,372,561.26
  5. Step 5: Solve for x
    x = 1,372,561.26/1,452.18
  6. Step 6: Final answer
    x = 945.17

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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.