Home / 2,331.22-3,215.72-1,503.22

Finding the Fourth Proportional to 2,331.22, 3,215.72 and 1,503.22

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Solution

The fourth proportional to 2,331.22, 3,215.72 and 1,503.22 is: 2,073.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.22 : 3,215.72 = 1,503.22 : x
  2. Step 2: Convert to fraction form
    2,331.22/3,215.72 = 1,503.22/x
  3. Step 3: Cross multiply
    2,331.22x = 3,215.72 × 1,503.22
  4. Step 4: Simplify right side
    2,331.22x = 4,833,934.62
  5. Step 5: Solve for x
    x = 4,833,934.62/2,331.22
  6. Step 6: Final answer
    x = 2,073.56

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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.