Home / 1,246.12-1,867.74-1,029.16

Finding the Fourth Proportional to 1,246.12, 1,867.74 and 1,029.16

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Solution

The fourth proportional to 1,246.12, 1,867.74 and 1,029.16 is: 1,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.12 : 1,867.74 = 1,029.16 : x
  2. Step 2: Convert to fraction form
    1,246.12/1,867.74 = 1,029.16/x
  3. Step 3: Cross multiply
    1,246.12x = 1,867.74 × 1,029.16
  4. Step 4: Simplify right side
    1,246.12x = 1,922,203.30
  5. Step 5: Solve for x
    x = 1,922,203.30/1,246.12
  6. Step 6: Final answer
    x = 1,542.55

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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.