Home / 3,165.66-4,364.37-2,220.18

Finding the Fourth Proportional to 3,165.66, 4,364.37 and 2,220.18

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Solution

The fourth proportional to 3,165.66, 4,364.37 and 2,220.18 is: 3,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.66 : 4,364.37 = 2,220.18 : x
  2. Step 2: Convert to fraction form
    3,165.66/4,364.37 = 2,220.18/x
  3. Step 3: Cross multiply
    3,165.66x = 4,364.37 × 2,220.18
  4. Step 4: Simplify right side
    3,165.66x = 9,689,686.99
  5. Step 5: Solve for x
    x = 9,689,686.99/3,165.66
  6. Step 6: Final answer
    x = 3,060.87

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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.