Home / 2,853.20-4,281.41-1,314.20

Finding the Fourth Proportional to 2,853.20, 4,281.41 and 1,314.20

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Solution

The fourth proportional to 2,853.20, 4,281.41 and 1,314.20 is: 1,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.20 : 4,281.41 = 1,314.20 : x
  2. Step 2: Convert to fraction form
    2,853.20/4,281.41 = 1,314.20/x
  3. Step 3: Cross multiply
    2,853.20x = 4,281.41 × 1,314.20
  4. Step 4: Simplify right side
    2,853.20x = 5,626,601.04
  5. Step 5: Solve for x
    x = 5,626,601.04/2,853.20
  6. Step 6: Final answer
    x = 1,972.04

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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.