Home / 1,995.06-2,752.44-1,248.74

Finding the Fourth Proportional to 1,995.06, 2,752.44 and 1,248.74

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Solution

The fourth proportional to 1,995.06, 2,752.44 and 1,248.74 is: 1,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.06 : 2,752.44 = 1,248.74 : x
  2. Step 2: Convert to fraction form
    1,995.06/2,752.44 = 1,248.74/x
  3. Step 3: Cross multiply
    1,995.06x = 2,752.44 × 1,248.74
  4. Step 4: Simplify right side
    1,995.06x = 3,437,068.16
  5. Step 5: Solve for x
    x = 3,437,068.16/1,995.06
  6. Step 6: Final answer
    x = 1,722.79

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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.