Home / 3,390.04-5,083.98-1,081

Finding the Fourth Proportional to 3,390.04, 5,083.98 and 1,081

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Solution

The fourth proportional to 3,390.04, 5,083.98 and 1,081 is: 1,621.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.04 : 5,083.98 = 1,081 : x
  2. Step 2: Convert to fraction form
    3,390.04/5,083.98 = 1,081/x
  3. Step 3: Cross multiply
    3,390.04x = 5,083.98 × 1,081
  4. Step 4: Simplify right side
    3,390.04x = 5,495,782.38
  5. Step 5: Solve for x
    x = 5,495,782.38/3,390.04
  6. Step 6: Final answer
    x = 1,621.16

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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.