Home / 1,974.13-2,723.28-1,833.40

Finding the Fourth Proportional to 1,974.13, 2,723.28 and 1,833.40

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Solution

The fourth proportional to 1,974.13, 2,723.28 and 1,833.40 is: 2,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.13 : 2,723.28 = 1,833.40 : x
  2. Step 2: Convert to fraction form
    1,974.13/2,723.28 = 1,833.40/x
  3. Step 3: Cross multiply
    1,974.13x = 2,723.28 × 1,833.40
  4. Step 4: Simplify right side
    1,974.13x = 4,992,861.55
  5. Step 5: Solve for x
    x = 4,992,861.55/1,974.13
  6. Step 6: Final answer
    x = 2,529.15

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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.