Home / 2,443.10-3,664.65-1,957.10

Finding the Fourth Proportional to 2,443.10, 3,664.65 and 1,957.10

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Solution

The fourth proportional to 2,443.10, 3,664.65 and 1,957.10 is: 2,935.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443.10 : 3,664.65 = 1,957.10 : x
  2. Step 2: Convert to fraction form
    2,443.10/3,664.65 = 1,957.10/x
  3. Step 3: Cross multiply
    2,443.10x = 3,664.65 × 1,957.10
  4. Step 4: Simplify right side
    2,443.10x = 7,172,086.52
  5. Step 5: Solve for x
    x = 7,172,086.52/2,443.10
  6. Step 6: Final answer
    x = 2,935.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.