Home / 4,087.12-5,640.24-2,514.88

Finding the Fourth Proportional to 4,087.12, 5,640.24 and 2,514.88

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Solution

The fourth proportional to 4,087.12, 5,640.24 and 2,514.88 is: 3,470.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.12 : 5,640.24 = 2,514.88 : x
  2. Step 2: Convert to fraction form
    4,087.12/5,640.24 = 2,514.88/x
  3. Step 3: Cross multiply
    4,087.12x = 5,640.24 × 2,514.88
  4. Step 4: Simplify right side
    4,087.12x = 14,184,526.77
  5. Step 5: Solve for x
    x = 14,184,526.77/4,087.12
  6. Step 6: Final answer
    x = 3,470.54

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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.