Home / 3,097.19-4,642.79-1,015.76

Finding the Fourth Proportional to 3,097.19, 4,642.79 and 1,015.76

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Solution

The fourth proportional to 3,097.19, 4,642.79 and 1,015.76 is: 1,522.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.19 : 4,642.79 = 1,015.76 : x
  2. Step 2: Convert to fraction form
    3,097.19/4,642.79 = 1,015.76/x
  3. Step 3: Cross multiply
    3,097.19x = 4,642.79 × 1,015.76
  4. Step 4: Simplify right side
    3,097.19x = 4,715,966.90
  5. Step 5: Solve for x
    x = 4,715,966.90/3,097.19
  6. Step 6: Final answer
    x = 1,522.66

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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.