Home / 3,220.18-4,443.69-1,823.38

Finding the Fourth Proportional to 3,220.18, 4,443.69 and 1,823.38

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Solution

The fourth proportional to 3,220.18, 4,443.69 and 1,823.38 is: 2,516.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.18 : 4,443.69 = 1,823.38 : x
  2. Step 2: Convert to fraction form
    3,220.18/4,443.69 = 1,823.38/x
  3. Step 3: Cross multiply
    3,220.18x = 4,443.69 × 1,823.38
  4. Step 4: Simplify right side
    3,220.18x = 8,102,535.47
  5. Step 5: Solve for x
    x = 8,102,535.47/3,220.18
  6. Step 6: Final answer
    x = 2,516.17

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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.