Home / 3,654.97-5,482.74-1,315.28

Finding the Fourth Proportional to 3,654.97, 5,482.74 and 1,315.28

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Solution

The fourth proportional to 3,654.97, 5,482.74 and 1,315.28 is: 1,973.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.97 : 5,482.74 = 1,315.28 : x
  2. Step 2: Convert to fraction form
    3,654.97/5,482.74 = 1,315.28/x
  3. Step 3: Cross multiply
    3,654.97x = 5,482.74 × 1,315.28
  4. Step 4: Simplify right side
    3,654.97x = 7,211,304.28
  5. Step 5: Solve for x
    x = 7,211,304.28/3,654.97
  6. Step 6: Final answer
    x = 1,973.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.