Home / 3,557.62-5,333.67-1,216.12

Finding the Fourth Proportional to 3,557.62, 5,333.67 and 1,216.12

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Solution

The fourth proportional to 3,557.62, 5,333.67 and 1,216.12 is: 1,823.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.62 : 5,333.67 = 1,216.12 : x
  2. Step 2: Convert to fraction form
    3,557.62/5,333.67 = 1,216.12/x
  3. Step 3: Cross multiply
    3,557.62x = 5,333.67 × 1,216.12
  4. Step 4: Simplify right side
    3,557.62x = 6,486,382.76
  5. Step 5: Solve for x
    x = 6,486,382.76/3,557.62
  6. Step 6: Final answer
    x = 1,823.24

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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.