Home / 3,218.72-4,444.56-2,041.88

Finding the Fourth Proportional to 3,218.72, 4,444.56 and 2,041.88

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Solution

The fourth proportional to 3,218.72, 4,444.56 and 2,041.88 is: 2,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.72 : 4,444.56 = 2,041.88 : x
  2. Step 2: Convert to fraction form
    3,218.72/4,444.56 = 2,041.88/x
  3. Step 3: Cross multiply
    3,218.72x = 4,444.56 × 2,041.88
  4. Step 4: Simplify right side
    3,218.72x = 9,075,258.17
  5. Step 5: Solve for x
    x = 9,075,258.17/3,218.72
  6. Step 6: Final answer
    x = 2,819.52

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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.