Home / 1,518.28-2,282.48-1,246.38

Finding the Fourth Proportional to 1,518.28, 2,282.48 and 1,246.38

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Solution

The fourth proportional to 1,518.28, 2,282.48 and 1,246.38 is: 1,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.28 : 2,282.48 = 1,246.38 : x
  2. Step 2: Convert to fraction form
    1,518.28/2,282.48 = 1,246.38/x
  3. Step 3: Cross multiply
    1,518.28x = 2,282.48 × 1,246.38
  4. Step 4: Simplify right side
    1,518.28x = 2,844,837.42
  5. Step 5: Solve for x
    x = 2,844,837.42/1,518.28
  6. Step 6: Final answer
    x = 1,873.72

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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.