Home / 2,276.87-3,415.40-1,180.53

Finding the Fourth Proportional to 2,276.87, 3,415.40 and 1,180.53

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Solution

The fourth proportional to 2,276.87, 3,415.40 and 1,180.53 is: 1,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.87 : 3,415.40 = 1,180.53 : x
  2. Step 2: Convert to fraction form
    2,276.87/3,415.40 = 1,180.53/x
  3. Step 3: Cross multiply
    2,276.87x = 3,415.40 × 1,180.53
  4. Step 4: Simplify right side
    2,276.87x = 4,031,976.26
  5. Step 5: Solve for x
    x = 4,031,976.26/2,276.87
  6. Step 6: Final answer
    x = 1,770.85

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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.