Home / 2,340.48-3,229.93-1,345.95

Finding the Fourth Proportional to 2,340.48, 3,229.93 and 1,345.95

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Solution

The fourth proportional to 2,340.48, 3,229.93 and 1,345.95 is: 1,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.48 : 3,229.93 = 1,345.95 : x
  2. Step 2: Convert to fraction form
    2,340.48/3,229.93 = 1,345.95/x
  3. Step 3: Cross multiply
    2,340.48x = 3,229.93 × 1,345.95
  4. Step 4: Simplify right side
    2,340.48x = 4,347,324.28
  5. Step 5: Solve for x
    x = 4,347,324.28/2,340.48
  6. Step 6: Final answer
    x = 1,857.45

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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.