Home / 3,057.92-4,220.32-1,732.16

Finding the Fourth Proportional to 3,057.92, 4,220.32 and 1,732.16

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Solution

The fourth proportional to 3,057.92, 4,220.32 and 1,732.16 is: 2,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.92 : 4,220.32 = 1,732.16 : x
  2. Step 2: Convert to fraction form
    3,057.92/4,220.32 = 1,732.16/x
  3. Step 3: Cross multiply
    3,057.92x = 4,220.32 × 1,732.16
  4. Step 4: Simplify right side
    3,057.92x = 7,310,269.49
  5. Step 5: Solve for x
    x = 7,310,269.49/3,057.92
  6. Step 6: Final answer
    x = 2,390.60

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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.