Home / 3,338.76-5,005.44-2,782.08

Finding the Fourth Proportional to 3,338.76, 5,005.44 and 2,782.08

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Solution

The fourth proportional to 3,338.76, 5,005.44 and 2,782.08 is: 4,170.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.76 : 5,005.44 = 2,782.08 : x
  2. Step 2: Convert to fraction form
    3,338.76/5,005.44 = 2,782.08/x
  3. Step 3: Cross multiply
    3,338.76x = 5,005.44 × 2,782.08
  4. Step 4: Simplify right side
    3,338.76x = 13,925,534.52
  5. Step 5: Solve for x
    x = 13,925,534.52/3,338.76
  6. Step 6: Final answer
    x = 4,170.87

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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.