Home / 3,560.66-5,341.07-1,220.64

Finding the Fourth Proportional to 3,560.66, 5,341.07 and 1,220.64

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Solution

The fourth proportional to 3,560.66, 5,341.07 and 1,220.64 is: 1,830.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.66 : 5,341.07 = 1,220.64 : x
  2. Step 2: Convert to fraction form
    3,560.66/5,341.07 = 1,220.64/x
  3. Step 3: Cross multiply
    3,560.66x = 5,341.07 × 1,220.64
  4. Step 4: Simplify right side
    3,560.66x = 6,519,517.58
  5. Step 5: Solve for x
    x = 6,519,517.58/3,560.66
  6. Step 6: Final answer
    x = 1,830.99

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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.