Home / 2,697.28-4,048.80-1,159.36

Finding the Fourth Proportional to 2,697.28, 4,048.80 and 1,159.36

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Solution

The fourth proportional to 2,697.28, 4,048.80 and 1,159.36 is: 1,740.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.28 : 4,048.80 = 1,159.36 : x
  2. Step 2: Convert to fraction form
    2,697.28/4,048.80 = 1,159.36/x
  3. Step 3: Cross multiply
    2,697.28x = 4,048.80 × 1,159.36
  4. Step 4: Simplify right side
    2,697.28x = 4,694,016.77
  5. Step 5: Solve for x
    x = 4,694,016.77/2,697.28
  6. Step 6: Final answer
    x = 1,740.28

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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.