Home / 1,319.44-1,817.76-1,098.04

Finding the Fourth Proportional to 1,319.44, 1,817.76 and 1,098.04

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Solution

The fourth proportional to 1,319.44, 1,817.76 and 1,098.04 is: 1,512.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319.44 : 1,817.76 = 1,098.04 : x
  2. Step 2: Convert to fraction form
    1,319.44/1,817.76 = 1,098.04/x
  3. Step 3: Cross multiply
    1,319.44x = 1,817.76 × 1,098.04
  4. Step 4: Simplify right side
    1,319.44x = 1,995,973.19
  5. Step 5: Solve for x
    x = 1,995,973.19/1,319.44
  6. Step 6: Final answer
    x = 1,512.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.