Home / 2,747.48-4,121.40-1,015.52

Finding the Fourth Proportional to 2,747.48, 4,121.40 and 1,015.52

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Solution

The fourth proportional to 2,747.48, 4,121.40 and 1,015.52 is: 1,523.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.48 : 4,121.40 = 1,015.52 : x
  2. Step 2: Convert to fraction form
    2,747.48/4,121.40 = 1,015.52/x
  3. Step 3: Cross multiply
    2,747.48x = 4,121.40 × 1,015.52
  4. Step 4: Simplify right side
    2,747.48x = 4,185,364.13
  5. Step 5: Solve for x
    x = 4,185,364.13/2,747.48
  6. Step 6: Final answer
    x = 1,523.35

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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.