Home / 2,748.40-4,123.80-1,514.32

Finding the Fourth Proportional to 2,748.40, 4,123.80 and 1,514.32

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Solution

The fourth proportional to 2,748.40, 4,123.80 and 1,514.32 is: 2,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.40 : 4,123.80 = 1,514.32 : x
  2. Step 2: Convert to fraction form
    2,748.40/4,123.80 = 1,514.32/x
  3. Step 3: Cross multiply
    2,748.40x = 4,123.80 × 1,514.32
  4. Step 4: Simplify right side
    2,748.40x = 6,244,752.82
  5. Step 5: Solve for x
    x = 6,244,752.82/2,748.40
  6. Step 6: Final answer
    x = 2,272.14

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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.