Home / 1,817.30-2,726.38-584.78

Finding the Fourth Proportional to 1,817.30, 2,726.38 and 584.78

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Solution

The fourth proportional to 1,817.30, 2,726.38 and 584.78 is: 877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.30 : 2,726.38 = 584.78 : x
  2. Step 2: Convert to fraction form
    1,817.30/2,726.38 = 584.78/x
  3. Step 3: Cross multiply
    1,817.30x = 2,726.38 × 584.78
  4. Step 4: Simplify right side
    1,817.30x = 1,594,332.50
  5. Step 5: Solve for x
    x = 1,594,332.50/1,817.30
  6. Step 6: Final answer
    x = 877.31

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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.