Home / 1,182.10-1,773.34-360.18

Finding the Fourth Proportional to 1,182.10, 1,773.34 and 360.18

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Solution

The fourth proportional to 1,182.10, 1,773.34 and 360.18 is: 540.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.10 : 1,773.34 = 360.18 : x
  2. Step 2: Convert to fraction form
    1,182.10/1,773.34 = 360.18/x
  3. Step 3: Cross multiply
    1,182.10x = 1,773.34 × 360.18
  4. Step 4: Simplify right side
    1,182.10x = 638,725.13
  5. Step 5: Solve for x
    x = 638,725.13/1,182.10
  6. Step 6: Final answer
    x = 540.33

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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.