Home / 3,152.68-4,721.98-2,285

Finding the Fourth Proportional to 3,152.68, 4,721.98 and 2,285

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Solution

The fourth proportional to 3,152.68, 4,721.98 and 2,285 is: 3,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.68 : 4,721.98 = 2,285 : x
  2. Step 2: Convert to fraction form
    3,152.68/4,721.98 = 2,285/x
  3. Step 3: Cross multiply
    3,152.68x = 4,721.98 × 2,285
  4. Step 4: Simplify right side
    3,152.68x = 10,789,724.30
  5. Step 5: Solve for x
    x = 10,789,724.30/3,152.68
  6. Step 6: Final answer
    x = 3,422.40

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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.