Home / 1,156.13-1,733.18-540.59

Finding the Fourth Proportional to 1,156.13, 1,733.18 and 540.59

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Solution

The fourth proportional to 1,156.13, 1,733.18 and 540.59 is: 810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.13 : 1,733.18 = 540.59 : x
  2. Step 2: Convert to fraction form
    1,156.13/1,733.18 = 540.59/x
  3. Step 3: Cross multiply
    1,156.13x = 1,733.18 × 540.59
  4. Step 4: Simplify right side
    1,156.13x = 936,928.41
  5. Step 5: Solve for x
    x = 936,928.41/1,156.13
  6. Step 6: Final answer
    x = 810.40

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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.