Home / 2,011.28-3,001.66-1,959.44

Finding the Fourth Proportional to 2,011.28, 3,001.66 and 1,959.44

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Solution

The fourth proportional to 2,011.28, 3,001.66 and 1,959.44 is: 2,924.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.28 : 3,001.66 = 1,959.44 : x
  2. Step 2: Convert to fraction form
    2,011.28/3,001.66 = 1,959.44/x
  3. Step 3: Cross multiply
    2,011.28x = 3,001.66 × 1,959.44
  4. Step 4: Simplify right side
    2,011.28x = 5,881,572.67
  5. Step 5: Solve for x
    x = 5,881,572.67/2,011.28
  6. Step 6: Final answer
    x = 2,924.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.