Home / 1,489.29-2,227.37-1,325.92

Finding the Fourth Proportional to 1,489.29, 2,227.37 and 1,325.92

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Solution

The fourth proportional to 1,489.29, 2,227.37 and 1,325.92 is: 1,983.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489.29 : 2,227.37 = 1,325.92 : x
  2. Step 2: Convert to fraction form
    1,489.29/2,227.37 = 1,325.92/x
  3. Step 3: Cross multiply
    1,489.29x = 2,227.37 × 1,325.92
  4. Step 4: Simplify right side
    1,489.29x = 2,953,306.41
  5. Step 5: Solve for x
    x = 2,953,306.41/1,489.29
  6. Step 6: Final answer
    x = 1,983.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.