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Finding the Fourth Proportional to 2,216.10, 3,323.13 and 655.54

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Solution

The fourth proportional to 2,216.10, 3,323.13 and 655.54 is: 983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.10 : 3,323.13 = 655.54 : x
  2. Step 2: Convert to fraction form
    2,216.10/3,323.13 = 655.54/x
  3. Step 3: Cross multiply
    2,216.10x = 3,323.13 × 655.54
  4. Step 4: Simplify right side
    2,216.10x = 2,178,452.57
  5. Step 5: Solve for x
    x = 2,178,452.57/2,216.10
  6. Step 6: Final answer
    x = 983.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.