Home / 2,872.05-3,962.28-1,753.33

Finding the Fourth Proportional to 2,872.05, 3,962.28 and 1,753.33

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Solution

The fourth proportional to 2,872.05, 3,962.28 and 1,753.33 is: 2,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.05 : 3,962.28 = 1,753.33 : x
  2. Step 2: Convert to fraction form
    2,872.05/3,962.28 = 1,753.33/x
  3. Step 3: Cross multiply
    2,872.05x = 3,962.28 × 1,753.33
  4. Step 4: Simplify right side
    2,872.05x = 6,947,184.39
  5. Step 5: Solve for x
    x = 6,947,184.39/2,872.05
  6. Step 6: Final answer
    x = 2,418.89

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1.5x scale

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.