Home / 3,621.65-4,997.95-2,825.88

Finding the Fourth Proportional to 3,621.65, 4,997.95 and 2,825.88

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Solution

The fourth proportional to 3,621.65, 4,997.95 and 2,825.88 is: 3,899.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.65 : 4,997.95 = 2,825.88 : x
  2. Step 2: Convert to fraction form
    3,621.65/4,997.95 = 2,825.88/x
  3. Step 3: Cross multiply
    3,621.65x = 4,997.95 × 2,825.88
  4. Step 4: Simplify right side
    3,621.65x = 14,123,606.95
  5. Step 5: Solve for x
    x = 14,123,606.95/3,621.65
  6. Step 6: Final answer
    x = 3,899.77

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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.