Home / 1,882.91-2,598.26-1,086.21

Finding the Fourth Proportional to 1,882.91, 2,598.26 and 1,086.21

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Solution

The fourth proportional to 1,882.91, 2,598.26 and 1,086.21 is: 1,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.91 : 2,598.26 = 1,086.21 : x
  2. Step 2: Convert to fraction form
    1,882.91/2,598.26 = 1,086.21/x
  3. Step 3: Cross multiply
    1,882.91x = 2,598.26 × 1,086.21
  4. Step 4: Simplify right side
    1,882.91x = 2,822,237.57
  5. Step 5: Solve for x
    x = 2,822,237.57/1,882.91
  6. Step 6: Final answer
    x = 1,498.87

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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.