Home / 3,162.16-4,359.54-2,216.68

Finding the Fourth Proportional to 3,162.16, 4,359.54 and 2,216.68

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Solution

The fourth proportional to 3,162.16, 4,359.54 and 2,216.68 is: 3,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.16 : 4,359.54 = 2,216.68 : x
  2. Step 2: Convert to fraction form
    3,162.16/4,359.54 = 2,216.68/x
  3. Step 3: Cross multiply
    3,162.16x = 4,359.54 × 2,216.68
  4. Step 4: Simplify right side
    3,162.16x = 9,663,705.13
  5. Step 5: Solve for x
    x = 9,663,705.13/3,162.16
  6. Step 6: Final answer
    x = 3,056.05

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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.