Home / 1,393.18-2,077.96-1,175.25

Finding the Fourth Proportional to 1,393.18, 2,077.96 and 1,175.25

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Solution

The fourth proportional to 1,393.18, 2,077.96 and 1,175.25 is: 1,752.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393.18 : 2,077.96 = 1,175.25 : x
  2. Step 2: Convert to fraction form
    1,393.18/2,077.96 = 1,175.25/x
  3. Step 3: Cross multiply
    1,393.18x = 2,077.96 × 1,175.25
  4. Step 4: Simplify right side
    1,393.18x = 2,442,122.49
  5. Step 5: Solve for x
    x = 2,442,122.49/1,393.18
  6. Step 6: Final answer
    x = 1,752.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.