Home / 2,133.17-2,943.76-1,248.79

Finding the Fourth Proportional to 2,133.17, 2,943.76 and 1,248.79

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Solution

The fourth proportional to 2,133.17, 2,943.76 and 1,248.79 is: 1,723.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.17 : 2,943.76 = 1,248.79 : x
  2. Step 2: Convert to fraction form
    2,133.17/2,943.76 = 1,248.79/x
  3. Step 3: Cross multiply
    2,133.17x = 2,943.76 × 1,248.79
  4. Step 4: Simplify right side
    2,133.17x = 3,676,131.81
  5. Step 5: Solve for x
    x = 3,676,131.81/2,133.17
  6. Step 6: Final answer
    x = 1,723.32

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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.