Home / 2,391.19-3,588.30-1,092.69

Finding the Fourth Proportional to 2,391.19, 3,588.30 and 1,092.69

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Solution

The fourth proportional to 2,391.19, 3,588.30 and 1,092.69 is: 1,639.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.19 : 3,588.30 = 1,092.69 : x
  2. Step 2: Convert to fraction form
    2,391.19/3,588.30 = 1,092.69/x
  3. Step 3: Cross multiply
    2,391.19x = 3,588.30 × 1,092.69
  4. Step 4: Simplify right side
    2,391.19x = 3,920,899.53
  5. Step 5: Solve for x
    x = 3,920,899.53/2,391.19
  6. Step 6: Final answer
    x = 1,639.73

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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.