Home / 2,675.04-3,691.01-1,930.11

Finding the Fourth Proportional to 2,675.04, 3,691.01 and 1,930.11

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Solution

The fourth proportional to 2,675.04, 3,691.01 and 1,930.11 is: 2,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.04 : 3,691.01 = 1,930.11 : x
  2. Step 2: Convert to fraction form
    2,675.04/3,691.01 = 1,930.11/x
  3. Step 3: Cross multiply
    2,675.04x = 3,691.01 × 1,930.11
  4. Step 4: Simplify right side
    2,675.04x = 7,124,045.66
  5. Step 5: Solve for x
    x = 7,124,045.66/2,675.04
  6. Step 6: Final answer
    x = 2,663.15

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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.