Home / 2,691.47-4,039.04-1,048.02

Finding the Fourth Proportional to 2,691.47, 4,039.04 and 1,048.02

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Solution

The fourth proportional to 2,691.47, 4,039.04 and 1,048.02 is: 1,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.47 : 4,039.04 = 1,048.02 : x
  2. Step 2: Convert to fraction form
    2,691.47/4,039.04 = 1,048.02/x
  3. Step 3: Cross multiply
    2,691.47x = 4,039.04 × 1,048.02
  4. Step 4: Simplify right side
    2,691.47x = 4,232,997.32
  5. Step 5: Solve for x
    x = 4,232,997.32/2,691.47
  6. Step 6: Final answer
    x = 1,572.75

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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.