Home / 1,786.08-2,679.56-1,442.53

Finding the Fourth Proportional to 1,786.08, 2,679.56 and 1,442.53

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Solution

The fourth proportional to 1,786.08, 2,679.56 and 1,442.53 is: 2,164.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.08 : 2,679.56 = 1,442.53 : x
  2. Step 2: Convert to fraction form
    1,786.08/2,679.56 = 1,442.53/x
  3. Step 3: Cross multiply
    1,786.08x = 2,679.56 × 1,442.53
  4. Step 4: Simplify right side
    1,786.08x = 3,865,345.69
  5. Step 5: Solve for x
    x = 3,865,345.69/1,786.08
  6. Step 6: Final answer
    x = 2,164.15

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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.