Home / 3,984.24-5,498.35-2,191.76

Finding the Fourth Proportional to 3,984.24, 5,498.35 and 2,191.76

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Solution

The fourth proportional to 3,984.24, 5,498.35 and 2,191.76 is: 3,024.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.24 : 5,498.35 = 2,191.76 : x
  2. Step 2: Convert to fraction form
    3,984.24/5,498.35 = 2,191.76/x
  3. Step 3: Cross multiply
    3,984.24x = 5,498.35 × 2,191.76
  4. Step 4: Simplify right side
    3,984.24x = 12,051,080.08
  5. Step 5: Solve for x
    x = 12,051,080.08/3,984.24
  6. Step 6: Final answer
    x = 3,024.69

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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.