Home / 1,758.48-2,427.30-1,168.90

Finding the Fourth Proportional to 1,758.48, 2,427.30 and 1,168.90

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Solution

The fourth proportional to 1,758.48, 2,427.30 and 1,168.90 is: 1,613.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.48 : 2,427.30 = 1,168.90 : x
  2. Step 2: Convert to fraction form
    1,758.48/2,427.30 = 1,168.90/x
  3. Step 3: Cross multiply
    1,758.48x = 2,427.30 × 1,168.90
  4. Step 4: Simplify right side
    1,758.48x = 2,837,270.97
  5. Step 5: Solve for x
    x = 2,837,270.97/1,758.48
  6. Step 6: Final answer
    x = 1,613.48

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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.