Home / 3,340.88-5,014.36-1,782.20

Finding the Fourth Proportional to 3,340.88, 5,014.36 and 1,782.20

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Solution

The fourth proportional to 3,340.88, 5,014.36 and 1,782.20 is: 2,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.88 : 5,014.36 = 1,782.20 : x
  2. Step 2: Convert to fraction form
    3,340.88/5,014.36 = 1,782.20/x
  3. Step 3: Cross multiply
    3,340.88x = 5,014.36 × 1,782.20
  4. Step 4: Simplify right side
    3,340.88x = 8,936,592.39
  5. Step 5: Solve for x
    x = 8,936,592.39/3,340.88
  6. Step 6: Final answer
    x = 2,674.92

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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.