Home / 3,427.34-5,140.80-1,480.91

Finding the Fourth Proportional to 3,427.34, 5,140.80 and 1,480.91

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Solution

The fourth proportional to 3,427.34, 5,140.80 and 1,480.91 is: 2,221.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.34 : 5,140.80 = 1,480.91 : x
  2. Step 2: Convert to fraction form
    3,427.34/5,140.80 = 1,480.91/x
  3. Step 3: Cross multiply
    3,427.34x = 5,140.80 × 1,480.91
  4. Step 4: Simplify right side
    3,427.34x = 7,613,036.42
  5. Step 5: Solve for x
    x = 7,613,036.42/3,427.34
  6. Step 6: Final answer
    x = 2,221.27

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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.