Home / 2,947.64-4,421.46-2,882.84

Finding the Fourth Proportional to 2,947.64, 4,421.46 and 2,882.84

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Solution

The fourth proportional to 2,947.64, 4,421.46 and 2,882.84 is: 4,324.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.64 : 4,421.46 = 2,882.84 : x
  2. Step 2: Convert to fraction form
    2,947.64/4,421.46 = 2,882.84/x
  3. Step 3: Cross multiply
    2,947.64x = 4,421.46 × 2,882.84
  4. Step 4: Simplify right side
    2,947.64x = 12,746,361.75
  5. Step 5: Solve for x
    x = 12,746,361.75/2,947.64
  6. Step 6: Final answer
    x = 4,324.26

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1.5x scale

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.