Home / 3,321.16-4,583.13-2,142.23

Finding the Fourth Proportional to 3,321.16, 4,583.13 and 2,142.23

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Solution

The fourth proportional to 3,321.16, 4,583.13 and 2,142.23 is: 2,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.16 : 4,583.13 = 2,142.23 : x
  2. Step 2: Convert to fraction form
    3,321.16/4,583.13 = 2,142.23/x
  3. Step 3: Cross multiply
    3,321.16x = 4,583.13 × 2,142.23
  4. Step 4: Simplify right side
    3,321.16x = 9,818,144.80
  5. Step 5: Solve for x
    x = 9,818,144.80/3,321.16
  6. Step 6: Final answer
    x = 2,956.24

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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.