Home / 2,340.79-3,229.93-1,345.88

Finding the Fourth Proportional to 2,340.79, 3,229.93 and 1,345.88

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Solution

The fourth proportional to 2,340.79, 3,229.93 and 1,345.88 is: 1,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.79 : 3,229.93 = 1,345.88 : x
  2. Step 2: Convert to fraction form
    2,340.79/3,229.93 = 1,345.88/x
  3. Step 3: Cross multiply
    2,340.79x = 3,229.93 × 1,345.88
  4. Step 4: Simplify right side
    2,340.79x = 4,347,098.19
  5. Step 5: Solve for x
    x = 4,347,098.19/2,340.79
  6. Step 6: Final answer
    x = 1,857.11

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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.