Home / 2,883.20-3,979.13-1,624.15

Finding the Fourth Proportional to 2,883.20, 3,979.13 and 1,624.15

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Solution

The fourth proportional to 2,883.20, 3,979.13 and 1,624.15 is: 2,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.20 : 3,979.13 = 1,624.15 : x
  2. Step 2: Convert to fraction form
    2,883.20/3,979.13 = 1,624.15/x
  3. Step 3: Cross multiply
    2,883.20x = 3,979.13 × 1,624.15
  4. Step 4: Simplify right side
    2,883.20x = 6,462,700.84
  5. Step 5: Solve for x
    x = 6,462,700.84/2,883.20
  6. Step 6: Final answer
    x = 2,241.51

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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.