Home / 3,656.09-5,045.40-2,084.19

Finding the Fourth Proportional to 3,656.09, 5,045.40 and 2,084.19

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Solution

The fourth proportional to 3,656.09, 5,045.40 and 2,084.19 is: 2,876.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.09 : 5,045.40 = 2,084.19 : x
  2. Step 2: Convert to fraction form
    3,656.09/5,045.40 = 2,084.19/x
  3. Step 3: Cross multiply
    3,656.09x = 5,045.40 × 2,084.19
  4. Step 4: Simplify right side
    3,656.09x = 10,515,572.23
  5. Step 5: Solve for x
    x = 10,515,572.23/3,656.09
  6. Step 6: Final answer
    x = 2,876.18

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1.5x scale

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.