Home / 3,656.45-5,045.85-2,084.57

Finding the Fourth Proportional to 3,656.45, 5,045.85 and 2,084.57

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Solution

The fourth proportional to 3,656.45, 5,045.85 and 2,084.57 is: 2,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.45 : 5,045.85 = 2,084.57 : x
  2. Step 2: Convert to fraction form
    3,656.45/5,045.85 = 2,084.57/x
  3. Step 3: Cross multiply
    3,656.45x = 5,045.85 × 2,084.57
  4. Step 4: Simplify right side
    3,656.45x = 10,518,427.53
  5. Step 5: Solve for x
    x = 10,518,427.53/3,656.45
  6. Step 6: Final answer
    x = 2,876.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.