Home / 3,418.01-5,129.45-1,470.77

Finding the Fourth Proportional to 3,418.01, 5,129.45 and 1,470.77

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Solution

The fourth proportional to 3,418.01, 5,129.45 and 1,470.77 is: 2,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.01 : 5,129.45 = 1,470.77 : x
  2. Step 2: Convert to fraction form
    3,418.01/5,129.45 = 1,470.77/x
  3. Step 3: Cross multiply
    3,418.01x = 5,129.45 × 1,470.77
  4. Step 4: Simplify right side
    3,418.01x = 7,544,208.18
  5. Step 5: Solve for x
    x = 7,544,208.18/3,418.01
  6. Step 6: Final answer
    x = 2,207.20

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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.