Home / 2,949.84-4,422.48-1,488.24

Finding the Fourth Proportional to 2,949.84, 4,422.48 and 1,488.24

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Solution

The fourth proportional to 2,949.84, 4,422.48 and 1,488.24 is: 2,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.84 : 4,422.48 = 1,488.24 : x
  2. Step 2: Convert to fraction form
    2,949.84/4,422.48 = 1,488.24/x
  3. Step 3: Cross multiply
    2,949.84x = 4,422.48 × 1,488.24
  4. Step 4: Simplify right side
    2,949.84x = 6,581,711.64
  5. Step 5: Solve for x
    x = 6,581,711.64/2,949.84
  6. Step 6: Final answer
    x = 2,231.21

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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.