Home / 2,288.17-3,157.60-1,279.93

Finding the Fourth Proportional to 2,288.17, 3,157.60 and 1,279.93

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Solution

The fourth proportional to 2,288.17, 3,157.60 and 1,279.93 is: 1,766.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.17 : 3,157.60 = 1,279.93 : x
  2. Step 2: Convert to fraction form
    2,288.17/3,157.60 = 1,279.93/x
  3. Step 3: Cross multiply
    2,288.17x = 3,157.60 × 1,279.93
  4. Step 4: Simplify right side
    2,288.17x = 4,041,506.97
  5. Step 5: Solve for x
    x = 4,041,506.97/2,288.17
  6. Step 6: Final answer
    x = 1,766.26

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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.