Home / 2,253.18-3,376.89-1,992.18

Finding the Fourth Proportional to 2,253.18, 3,376.89 and 1,992.18

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Solution

The fourth proportional to 2,253.18, 3,376.89 and 1,992.18 is: 2,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.18 : 3,376.89 = 1,992.18 : x
  2. Step 2: Convert to fraction form
    2,253.18/3,376.89 = 1,992.18/x
  3. Step 3: Cross multiply
    2,253.18x = 3,376.89 × 1,992.18
  4. Step 4: Simplify right side
    2,253.18x = 6,727,372.72
  5. Step 5: Solve for x
    x = 6,727,372.72/2,253.18
  6. Step 6: Final answer
    x = 2,985.72

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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.