Home / 2,601.90-3,591.60-1,766.92

Finding the Fourth Proportional to 2,601.90, 3,591.60 and 1,766.92

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Solution

The fourth proportional to 2,601.90, 3,591.60 and 1,766.92 is: 2,439.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.90 : 3,591.60 = 1,766.92 : x
  2. Step 2: Convert to fraction form
    2,601.90/3,591.60 = 1,766.92/x
  3. Step 3: Cross multiply
    2,601.90x = 3,591.60 × 1,766.92
  4. Step 4: Simplify right side
    2,601.90x = 6,346,069.87
  5. Step 5: Solve for x
    x = 6,346,069.87/2,601.90
  6. Step 6: Final answer
    x = 2,439.01

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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.