Home / 1,091.12-1,625.65-1,036.04

Finding the Fourth Proportional to 1,091.12, 1,625.65 and 1,036.04

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Solution

The fourth proportional to 1,091.12, 1,625.65 and 1,036.04 is: 1,543.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091.12 : 1,625.65 = 1,036.04 : x
  2. Step 2: Convert to fraction form
    1,091.12/1,625.65 = 1,036.04/x
  3. Step 3: Cross multiply
    1,091.12x = 1,625.65 × 1,036.04
  4. Step 4: Simplify right side
    1,091.12x = 1,684,238.43
  5. Step 5: Solve for x
    x = 1,684,238.43/1,091.12
  6. Step 6: Final answer
    x = 1,543.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.