Home / 2,302.14-3,177.28-2,161.40

Finding the Fourth Proportional to 2,302.14, 3,177.28 and 2,161.40

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Solution

The fourth proportional to 2,302.14, 3,177.28 and 2,161.40 is: 2,983.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.14 : 3,177.28 = 2,161.40 : x
  2. Step 2: Convert to fraction form
    2,302.14/3,177.28 = 2,161.40/x
  3. Step 3: Cross multiply
    2,302.14x = 3,177.28 × 2,161.40
  4. Step 4: Simplify right side
    2,302.14x = 6,867,372.99
  5. Step 5: Solve for x
    x = 6,867,372.99/2,302.14
  6. Step 6: Final answer
    x = 2,983.04

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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.