Home / 2,748.72-4,123.62-1,017.36

Finding the Fourth Proportional to 2,748.72, 4,123.62 and 1,017.36

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Solution

The fourth proportional to 2,748.72, 4,123.62 and 1,017.36 is: 1,526.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.72 : 4,123.62 = 1,017.36 : x
  2. Step 2: Convert to fraction form
    2,748.72/4,123.62 = 1,017.36/x
  3. Step 3: Cross multiply
    2,748.72x = 4,123.62 × 1,017.36
  4. Step 4: Simplify right side
    2,748.72x = 4,195,206.04
  5. Step 5: Solve for x
    x = 4,195,206.04/2,748.72
  6. Step 6: Final answer
    x = 1,526.24

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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.