Home / 2,620.82-3,931.23-888.98

Finding the Fourth Proportional to 2,620.82, 3,931.23 and 888.98

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Solution

The fourth proportional to 2,620.82, 3,931.23 and 888.98 is: 1,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.82 : 3,931.23 = 888.98 : x
  2. Step 2: Convert to fraction form
    2,620.82/3,931.23 = 888.98/x
  3. Step 3: Cross multiply
    2,620.82x = 3,931.23 × 888.98
  4. Step 4: Simplify right side
    2,620.82x = 3,494,784.85
  5. Step 5: Solve for x
    x = 3,494,784.85/2,620.82
  6. Step 6: Final answer
    x = 1,333.47

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Similar ratio
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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.