Home / 3,125.24-4,322.28-2,793.08

Finding the Fourth Proportional to 3,125.24, 4,322.28 and 2,793.08

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Solution

The fourth proportional to 3,125.24, 4,322.28 and 2,793.08 is: 3,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.24 : 4,322.28 = 2,793.08 : x
  2. Step 2: Convert to fraction form
    3,125.24/4,322.28 = 2,793.08/x
  3. Step 3: Cross multiply
    3,125.24x = 4,322.28 × 2,793.08
  4. Step 4: Simplify right side
    3,125.24x = 12,072,473.82
  5. Step 5: Solve for x
    x = 12,072,473.82/3,125.24
  6. Step 6: Final answer
    x = 3,862.89

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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.