Home / 1,508.31-2,079.54-1,010.16

Finding the Fourth Proportional to 1,508.31, 2,079.54 and 1,010.16

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Solution

The fourth proportional to 1,508.31, 2,079.54 and 1,010.16 is: 1,392.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.31 : 2,079.54 = 1,010.16 : x
  2. Step 2: Convert to fraction form
    1,508.31/2,079.54 = 1,010.16/x
  3. Step 3: Cross multiply
    1,508.31x = 2,079.54 × 1,010.16
  4. Step 4: Simplify right side
    1,508.31x = 2,100,668.13
  5. Step 5: Solve for x
    x = 2,100,668.13/1,508.31
  6. Step 6: Final answer
    x = 1,392.73

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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.