Home / 1,778.13-2,663.34-1,159.95

Finding the Fourth Proportional to 1,778.13, 2,663.34 and 1,159.95

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Solution

The fourth proportional to 1,778.13, 2,663.34 and 1,159.95 is: 1,737.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778.13 : 2,663.34 = 1,159.95 : x
  2. Step 2: Convert to fraction form
    1,778.13/2,663.34 = 1,159.95/x
  3. Step 3: Cross multiply
    1,778.13x = 2,663.34 × 1,159.95
  4. Step 4: Simplify right side
    1,778.13x = 3,089,359.15
  5. Step 5: Solve for x
    x = 3,089,359.15/1,778.13
  6. Step 6: Final answer
    x = 1,737.42

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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.