Home / 2,193.71-3,287.52-1,574.66

Finding the Fourth Proportional to 2,193.71, 3,287.52 and 1,574.66

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Solution

The fourth proportional to 2,193.71, 3,287.52 and 1,574.66 is: 2,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.71 : 3,287.52 = 1,574.66 : x
  2. Step 2: Convert to fraction form
    2,193.71/3,287.52 = 1,574.66/x
  3. Step 3: Cross multiply
    2,193.71x = 3,287.52 × 1,574.66
  4. Step 4: Simplify right side
    2,193.71x = 5,176,734.46
  5. Step 5: Solve for x
    x = 5,176,734.46/2,193.71
  6. Step 6: Final answer
    x = 2,359.81

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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.