Home / 1,054.13-1,581.11-360.82

Finding the Fourth Proportional to 1,054.13, 1,581.11 and 360.82

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Solution

The fourth proportional to 1,054.13, 1,581.11 and 360.82 is: 541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054.13 : 1,581.11 = 360.82 : x
  2. Step 2: Convert to fraction form
    1,054.13/1,581.11 = 360.82/x
  3. Step 3: Cross multiply
    1,054.13x = 1,581.11 × 360.82
  4. Step 4: Simplify right side
    1,054.13x = 570,490.35
  5. Step 5: Solve for x
    x = 570,490.35/1,054.13
  6. Step 6: Final answer
    x = 541.19

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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.