Home / 3,675.11-5,071.65-2,103.20

Finding the Fourth Proportional to 3,675.11, 5,071.65 and 2,103.20

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Solution

The fourth proportional to 3,675.11, 5,071.65 and 2,103.20 is: 2,902.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.11 : 5,071.65 = 2,103.20 : x
  2. Step 2: Convert to fraction form
    3,675.11/5,071.65 = 2,103.20/x
  3. Step 3: Cross multiply
    3,675.11x = 5,071.65 × 2,103.20
  4. Step 4: Simplify right side
    3,675.11x = 10,666,694.28
  5. Step 5: Solve for x
    x = 10,666,694.28/3,675.11
  6. Step 6: Final answer
    x = 2,902.41

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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.