Home / 2,125.32-2,932.98-1,241.76

Finding the Fourth Proportional to 2,125.32, 2,932.98 and 1,241.76

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Solution

The fourth proportional to 2,125.32, 2,932.98 and 1,241.76 is: 1,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.32 : 2,932.98 = 1,241.76 : x
  2. Step 2: Convert to fraction form
    2,125.32/2,932.98 = 1,241.76/x
  3. Step 3: Cross multiply
    2,125.32x = 2,932.98 × 1,241.76
  4. Step 4: Simplify right side
    2,125.32x = 3,642,057.24
  5. Step 5: Solve for x
    x = 3,642,057.24/2,125.32
  6. Step 6: Final answer
    x = 1,713.65

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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.