Home / 2,720.01-4,077.45-1,418.88

Finding the Fourth Proportional to 2,720.01, 4,077.45 and 1,418.88

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Solution

The fourth proportional to 2,720.01, 4,077.45 and 1,418.88 is: 2,126.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.01 : 4,077.45 = 1,418.88 : x
  2. Step 2: Convert to fraction form
    2,720.01/4,077.45 = 1,418.88/x
  3. Step 3: Cross multiply
    2,720.01x = 4,077.45 × 1,418.88
  4. Step 4: Simplify right side
    2,720.01x = 5,785,412.26
  5. Step 5: Solve for x
    x = 5,785,412.26/2,720.01
  6. Step 6: Final answer
    x = 2,126.98

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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.