Home / 1,575.15-2,371.88-1,167.18

Finding the Fourth Proportional to 1,575.15, 2,371.88 and 1,167.18

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Solution

The fourth proportional to 1,575.15, 2,371.88 and 1,167.18 is: 1,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.15 : 2,371.88 = 1,167.18 : x
  2. Step 2: Convert to fraction form
    1,575.15/2,371.88 = 1,167.18/x
  3. Step 3: Cross multiply
    1,575.15x = 2,371.88 × 1,167.18
  4. Step 4: Simplify right side
    1,575.15x = 2,768,393.20
  5. Step 5: Solve for x
    x = 2,768,393.20/1,575.15
  6. Step 6: Final answer
    x = 1,757.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.