Home / 2,133.18-2,943.45-1,248.84

Finding the Fourth Proportional to 2,133.18, 2,943.45 and 1,248.84

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Solution

The fourth proportional to 2,133.18, 2,943.45 and 1,248.84 is: 1,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.18 : 2,943.45 = 1,248.84 : x
  2. Step 2: Convert to fraction form
    2,133.18/2,943.45 = 1,248.84/x
  3. Step 3: Cross multiply
    2,133.18x = 2,943.45 × 1,248.84
  4. Step 4: Simplify right side
    2,133.18x = 3,675,898.10
  5. Step 5: Solve for x
    x = 3,675,898.10/2,133.18
  6. Step 6: Final answer
    x = 1,723.20

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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.