Home / 1,974.40-2,961.57-587.73

Finding the Fourth Proportional to 1,974.40, 2,961.57 and 587.73

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Solution

The fourth proportional to 1,974.40, 2,961.57 and 587.73 is: 881.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.40 : 2,961.57 = 587.73 : x
  2. Step 2: Convert to fraction form
    1,974.40/2,961.57 = 587.73/x
  3. Step 3: Cross multiply
    1,974.40x = 2,961.57 × 587.73
  4. Step 4: Simplify right side
    1,974.40x = 1,740,603.54
  5. Step 5: Solve for x
    x = 1,740,603.54/1,974.40
  6. Step 6: Final answer
    x = 881.59

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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.