Home / 2,340.66-3,229.74-1,345.98

Finding the Fourth Proportional to 2,340.66, 3,229.74 and 1,345.98

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Solution

The fourth proportional to 2,340.66, 3,229.74 and 1,345.98 is: 1,857.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.66 : 3,229.74 = 1,345.98 : x
  2. Step 2: Convert to fraction form
    2,340.66/3,229.74 = 1,345.98/x
  3. Step 3: Cross multiply
    2,340.66x = 3,229.74 × 1,345.98
  4. Step 4: Simplify right side
    2,340.66x = 4,347,165.45
  5. Step 5: Solve for x
    x = 4,347,165.45/2,340.66
  6. Step 6: Final answer
    x = 1,857.24

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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.