Home / 2,730.68-4,092.78-1,574.04

Finding the Fourth Proportional to 2,730.68, 4,092.78 and 1,574.04

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Solution

The fourth proportional to 2,730.68, 4,092.78 and 1,574.04 is: 2,359.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.68 : 4,092.78 = 1,574.04 : x
  2. Step 2: Convert to fraction form
    2,730.68/4,092.78 = 1,574.04/x
  3. Step 3: Cross multiply
    2,730.68x = 4,092.78 × 1,574.04
  4. Step 4: Simplify right side
    2,730.68x = 6,442,199.43
  5. Step 5: Solve for x
    x = 6,442,199.43/2,730.68
  6. Step 6: Final answer
    x = 2,359.19

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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.