Home / 3,068.96-4,604.12-1,121.16

Finding the Fourth Proportional to 3,068.96, 4,604.12 and 1,121.16

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Solution

The fourth proportional to 3,068.96, 4,604.12 and 1,121.16 is: 1,681.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.96 : 4,604.12 = 1,121.16 : x
  2. Step 2: Convert to fraction form
    3,068.96/4,604.12 = 1,121.16/x
  3. Step 3: Cross multiply
    3,068.96x = 4,604.12 × 1,121.16
  4. Step 4: Simplify right side
    3,068.96x = 5,161,955.18
  5. Step 5: Solve for x
    x = 5,161,955.18/3,068.96
  6. Step 6: Final answer
    x = 1,681.99

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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.