Home / 3,621.70-5,422.29-2,302.17

Finding the Fourth Proportional to 3,621.70, 5,422.29 and 2,302.17

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Solution

The fourth proportional to 3,621.70, 5,422.29 and 2,302.17 is: 3,446.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.70 : 5,422.29 = 2,302.17 : x
  2. Step 2: Convert to fraction form
    3,621.70/5,422.29 = 2,302.17/x
  3. Step 3: Cross multiply
    3,621.70x = 5,422.29 × 2,302.17
  4. Step 4: Simplify right side
    3,621.70x = 12,483,047.85
  5. Step 5: Solve for x
    x = 12,483,047.85/3,621.70
  6. Step 6: Final answer
    x = 3,446.74

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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.