Home / 1,508.07-2,079.72-976.44

Finding the Fourth Proportional to 1,508.07, 2,079.72 and 976.44

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Solution

The fourth proportional to 1,508.07, 2,079.72 and 976.44 is: 1,346.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.07 : 2,079.72 = 976.44 : x
  2. Step 2: Convert to fraction form
    1,508.07/2,079.72 = 976.44/x
  3. Step 3: Cross multiply
    1,508.07x = 2,079.72 × 976.44
  4. Step 4: Simplify right side
    1,508.07x = 2,030,721.80
  5. Step 5: Solve for x
    x = 2,030,721.80/1,508.07
  6. Step 6: Final answer
    x = 1,346.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.