Home / 3,754.80-5,621.40-2,296.80

Finding the Fourth Proportional to 3,754.80, 5,621.40 and 2,296.80

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Solution

The fourth proportional to 3,754.80, 5,621.40 and 2,296.80 is: 3,438.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.80 : 5,621.40 = 2,296.80 : x
  2. Step 2: Convert to fraction form
    3,754.80/5,621.40 = 2,296.80/x
  3. Step 3: Cross multiply
    3,754.80x = 5,621.40 × 2,296.80
  4. Step 4: Simplify right side
    3,754.80x = 12,911,231.52
  5. Step 5: Solve for x
    x = 12,911,231.52/3,754.80
  6. Step 6: Final answer
    x = 3,438.59

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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.