Home / 2,999.28-4,498.56-1,267.56

Finding the Fourth Proportional to 2,999.28, 4,498.56 and 1,267.56

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Solution

The fourth proportional to 2,999.28, 4,498.56 and 1,267.56 is: 1,901.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.28 : 4,498.56 = 1,267.56 : x
  2. Step 2: Convert to fraction form
    2,999.28/4,498.56 = 1,267.56/x
  3. Step 3: Cross multiply
    2,999.28x = 4,498.56 × 1,267.56
  4. Step 4: Simplify right side
    2,999.28x = 5,702,194.71
  5. Step 5: Solve for x
    x = 5,702,194.71/2,999.28
  6. Step 6: Final answer
    x = 1,901.19

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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.