Home / 3,389.04-5,084.10-1,080

Finding the Fourth Proportional to 3,389.04, 5,084.10 and 1,080

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Solution

The fourth proportional to 3,389.04, 5,084.10 and 1,080 is: 1,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.04 : 5,084.10 = 1,080 : x
  2. Step 2: Convert to fraction form
    3,389.04/5,084.10 = 1,080/x
  3. Step 3: Cross multiply
    3,389.04x = 5,084.10 × 1,080
  4. Step 4: Simplify right side
    3,389.04x = 5,490,828
  5. Step 5: Solve for x
    x = 5,490,828/3,389.04
  6. Step 6: Final answer
    x = 1,620.17

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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.