Home / 1,452.11-2,001.71-1,240.70

Finding the Fourth Proportional to 1,452.11, 2,001.71 and 1,240.70

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Solution

The fourth proportional to 1,452.11, 2,001.71 and 1,240.70 is: 1,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.11 : 2,001.71 = 1,240.70 : x
  2. Step 2: Convert to fraction form
    1,452.11/2,001.71 = 1,240.70/x
  3. Step 3: Cross multiply
    1,452.11x = 2,001.71 × 1,240.70
  4. Step 4: Simplify right side
    1,452.11x = 2,483,514.69
  5. Step 5: Solve for x
    x = 2,483,514.69/1,452.11
  6. Step 6: Final answer
    x = 1,710.29

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1.5x scale

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.