Home / 2,372.00-3,274.28-2,122.88

Finding the Fourth Proportional to 2,372.00, 3,274.28 and 2,122.88

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Solution

The fourth proportional to 2,372.00, 3,274.28 and 2,122.88 is: 2,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.00 : 3,274.28 = 2,122.88 : x
  2. Step 2: Convert to fraction form
    2,372.00/3,274.28 = 2,122.88/x
  3. Step 3: Cross multiply
    2,372.00x = 3,274.28 × 2,122.88
  4. Step 4: Simplify right side
    2,372.00x = 6,950,901.10
  5. Step 5: Solve for x
    x = 6,950,901.10/2,372.00
  6. Step 6: Final answer
    x = 2,930.40

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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.