Home / 1,451.98-2,002.08-1,102.06

Finding the Fourth Proportional to 1,451.98, 2,002.08 and 1,102.06

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Solution

The fourth proportional to 1,451.98, 2,002.08 and 1,102.06 is: 1,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.98 : 2,002.08 = 1,102.06 : x
  2. Step 2: Convert to fraction form
    1,451.98/2,002.08 = 1,102.06/x
  3. Step 3: Cross multiply
    1,451.98x = 2,002.08 × 1,102.06
  4. Step 4: Simplify right side
    1,451.98x = 2,206,412.28
  5. Step 5: Solve for x
    x = 2,206,412.28/1,451.98
  6. Step 6: Final answer
    x = 1,519.59

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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.