Home / 3,675.08-5,071.69-2,103.18

Finding the Fourth Proportional to 3,675.08, 5,071.69 and 2,103.18

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Solution

The fourth proportional to 3,675.08, 5,071.69 and 2,103.18 is: 2,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.08 : 5,071.69 = 2,103.18 : x
  2. Step 2: Convert to fraction form
    3,675.08/5,071.69 = 2,103.18/x
  3. Step 3: Cross multiply
    3,675.08x = 5,071.69 × 2,103.18
  4. Step 4: Simplify right side
    3,675.08x = 10,666,676.97
  5. Step 5: Solve for x
    x = 10,666,676.97/3,675.08
  6. Step 6: Final answer
    x = 2,902.43

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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.