Home / 3,643.90-5,460.98-2,084.38

Finding the Fourth Proportional to 3,643.90, 5,460.98 and 2,084.38

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Solution

The fourth proportional to 3,643.90, 5,460.98 and 2,084.38 is: 3,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.90 : 5,460.98 = 2,084.38 : x
  2. Step 2: Convert to fraction form
    3,643.90/5,460.98 = 2,084.38/x
  3. Step 3: Cross multiply
    3,643.90x = 5,460.98 × 2,084.38
  4. Step 4: Simplify right side
    3,643.90x = 11,382,730.19
  5. Step 5: Solve for x
    x = 11,382,730.19/3,643.90
  6. Step 6: Final answer
    x = 3,123.78

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1.5x scale

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.