Home / 1,987.52-2,979.48-1,466.24

Finding the Fourth Proportional to 1,987.52, 2,979.48 and 1,466.24

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Solution

The fourth proportional to 1,987.52, 2,979.48 and 1,466.24 is: 2,198.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987.52 : 2,979.48 = 1,466.24 : x
  2. Step 2: Convert to fraction form
    1,987.52/2,979.48 = 1,466.24/x
  3. Step 3: Cross multiply
    1,987.52x = 2,979.48 × 1,466.24
  4. Step 4: Simplify right side
    1,987.52x = 4,368,632.76
  5. Step 5: Solve for x
    x = 4,368,632.76/1,987.52
  6. Step 6: Final answer
    x = 2,198.03

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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.