Home / 1,625.24-2,242.50-961.76

Finding the Fourth Proportional to 1,625.24, 2,242.50 and 961.76

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Solution

The fourth proportional to 1,625.24, 2,242.50 and 961.76 is: 1,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.24 : 2,242.50 = 961.76 : x
  2. Step 2: Convert to fraction form
    1,625.24/2,242.50 = 961.76/x
  3. Step 3: Cross multiply
    1,625.24x = 2,242.50 × 961.76
  4. Step 4: Simplify right side
    1,625.24x = 2,156,746.80
  5. Step 5: Solve for x
    x = 2,156,746.80/1,625.24
  6. Step 6: Final answer
    x = 1,327.03

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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.