Home / 2,380.76-3,283.26-2,011.48

Finding the Fourth Proportional to 2,380.76, 3,283.26 and 2,011.48

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Solution

The fourth proportional to 2,380.76, 3,283.26 and 2,011.48 is: 2,773.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.76 : 3,283.26 = 2,011.48 : x
  2. Step 2: Convert to fraction form
    2,380.76/3,283.26 = 2,011.48/x
  3. Step 3: Cross multiply
    2,380.76x = 3,283.26 × 2,011.48
  4. Step 4: Simplify right side
    2,380.76x = 6,604,211.82
  5. Step 5: Solve for x
    x = 6,604,211.82/2,380.76
  6. Step 6: Final answer
    x = 2,773.99

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Half scale
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Double scale
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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.