Home / 1,754.38-2,421.84-1,125.82

Finding the Fourth Proportional to 1,754.38, 2,421.84 and 1,125.82

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Solution

The fourth proportional to 1,754.38, 2,421.84 and 1,125.82 is: 1,554.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.38 : 2,421.84 = 1,125.82 : x
  2. Step 2: Convert to fraction form
    1,754.38/2,421.84 = 1,125.82/x
  3. Step 3: Cross multiply
    1,754.38x = 2,421.84 × 1,125.82
  4. Step 4: Simplify right side
    1,754.38x = 2,726,555.91
  5. Step 5: Solve for x
    x = 2,726,555.91/1,754.38
  6. Step 6: Final answer
    x = 1,554.14

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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.