Home / 1,246.42-1,873.68-1,207.54

Finding the Fourth Proportional to 1,246.42, 1,873.68 and 1,207.54

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Solution

The fourth proportional to 1,246.42, 1,873.68 and 1,207.54 is: 1,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.42 : 1,873.68 = 1,207.54 : x
  2. Step 2: Convert to fraction form
    1,246.42/1,873.68 = 1,207.54/x
  3. Step 3: Cross multiply
    1,246.42x = 1,873.68 × 1,207.54
  4. Step 4: Simplify right side
    1,246.42x = 2,262,543.55
  5. Step 5: Solve for x
    x = 2,262,543.55/1,246.42
  6. Step 6: Final answer
    x = 1,815.23

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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.