Home / 2,601.80-3,902.70-1,875.98

Finding the Fourth Proportional to 2,601.80, 3,902.70 and 1,875.98

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Solution

The fourth proportional to 2,601.80, 3,902.70 and 1,875.98 is: 2,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.80 : 3,902.70 = 1,875.98 : x
  2. Step 2: Convert to fraction form
    2,601.80/3,902.70 = 1,875.98/x
  3. Step 3: Cross multiply
    2,601.80x = 3,902.70 × 1,875.98
  4. Step 4: Simplify right side
    2,601.80x = 7,321,387.15
  5. Step 5: Solve for x
    x = 7,321,387.15/2,601.80
  6. Step 6: Final answer
    x = 2,813.97

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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.