Home / 1,951.71-2,693.35-1,112.45

Finding the Fourth Proportional to 1,951.71, 2,693.35 and 1,112.45

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Solution

The fourth proportional to 1,951.71, 2,693.35 and 1,112.45 is: 1,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.71 : 2,693.35 = 1,112.45 : x
  2. Step 2: Convert to fraction form
    1,951.71/2,693.35 = 1,112.45/x
  3. Step 3: Cross multiply
    1,951.71x = 2,693.35 × 1,112.45
  4. Step 4: Simplify right side
    1,951.71x = 2,996,220.28
  5. Step 5: Solve for x
    x = 2,996,220.28/1,951.71
  6. Step 6: Final answer
    x = 1,535.18

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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.