Home / 1,664.23-2,491.47-1,010.56

Finding the Fourth Proportional to 1,664.23, 2,491.47 and 1,010.56

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Solution

The fourth proportional to 1,664.23, 2,491.47 and 1,010.56 is: 1,512.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.23 : 2,491.47 = 1,010.56 : x
  2. Step 2: Convert to fraction form
    1,664.23/2,491.47 = 1,010.56/x
  3. Step 3: Cross multiply
    1,664.23x = 2,491.47 × 1,010.56
  4. Step 4: Simplify right side
    1,664.23x = 2,517,767.47
  5. Step 5: Solve for x
    x = 2,517,767.47/1,664.23
  6. Step 6: Final answer
    x = 1,512.88

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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.