Home / 4,140.88-5,714.54-2,277.88

Finding the Fourth Proportional to 4,140.88, 5,714.54 and 2,277.88

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Solution

The fourth proportional to 4,140.88, 5,714.54 and 2,277.88 is: 3,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.88 : 5,714.54 = 2,277.88 : x
  2. Step 2: Convert to fraction form
    4,140.88/5,714.54 = 2,277.88/x
  3. Step 3: Cross multiply
    4,140.88x = 5,714.54 × 2,277.88
  4. Step 4: Simplify right side
    4,140.88x = 13,017,036.38
  5. Step 5: Solve for x
    x = 13,017,036.38/4,140.88
  6. Step 6: Final answer
    x = 3,143.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.