Home / 2,114.04-3,171.06-1,281.32

Finding the Fourth Proportional to 2,114.04, 3,171.06 and 1,281.32

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Solution

The fourth proportional to 2,114.04, 3,171.06 and 1,281.32 is: 1,921.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.04 : 3,171.06 = 1,281.32 : x
  2. Step 2: Convert to fraction form
    2,114.04/3,171.06 = 1,281.32/x
  3. Step 3: Cross multiply
    2,114.04x = 3,171.06 × 1,281.32
  4. Step 4: Simplify right side
    2,114.04x = 4,063,126.74
  5. Step 5: Solve for x
    x = 4,063,126.74/2,114.04
  6. Step 6: Final answer
    x = 1,921.97

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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.