Home / 2,302.45-3,177.22-1,254.49

Finding the Fourth Proportional to 2,302.45, 3,177.22 and 1,254.49

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Solution

The fourth proportional to 2,302.45, 3,177.22 and 1,254.49 is: 1,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.45 : 3,177.22 = 1,254.49 : x
  2. Step 2: Convert to fraction form
    2,302.45/3,177.22 = 1,254.49/x
  3. Step 3: Cross multiply
    2,302.45x = 3,177.22 × 1,254.49
  4. Step 4: Simplify right side
    2,302.45x = 3,985,790.72
  5. Step 5: Solve for x
    x = 3,985,790.72/2,302.45
  6. Step 6: Final answer
    x = 1,731.11

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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.