Home / 3,299.16-4,552.98-1,807.21

Finding the Fourth Proportional to 3,299.16, 4,552.98 and 1,807.21

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Solution

The fourth proportional to 3,299.16, 4,552.98 and 1,807.21 is: 2,494.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.16 : 4,552.98 = 1,807.21 : x
  2. Step 2: Convert to fraction form
    3,299.16/4,552.98 = 1,807.21/x
  3. Step 3: Cross multiply
    3,299.16x = 4,552.98 × 1,807.21
  4. Step 4: Simplify right side
    3,299.16x = 8,228,179.60
  5. Step 5: Solve for x
    x = 8,228,179.60/3,299.16
  6. Step 6: Final answer
    x = 2,494.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.