Home / 1,724.76-2,381.94-1,506.06

Finding the Fourth Proportional to 1,724.76, 2,381.94 and 1,506.06

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Solution

The fourth proportional to 1,724.76, 2,381.94 and 1,506.06 is: 2,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.76 : 2,381.94 = 1,506.06 : x
  2. Step 2: Convert to fraction form
    1,724.76/2,381.94 = 1,506.06/x
  3. Step 3: Cross multiply
    1,724.76x = 2,381.94 × 1,506.06
  4. Step 4: Simplify right side
    1,724.76x = 3,587,344.56
  5. Step 5: Solve for x
    x = 3,587,344.56/1,724.76
  6. Step 6: Final answer
    x = 2,079.91

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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.