Home / 2,216.10-3,330.24-2,071.63

Finding the Fourth Proportional to 2,216.10, 3,330.24 and 2,071.63

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Solution

The fourth proportional to 2,216.10, 3,330.24 and 2,071.63 is: 3,113.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.10 : 3,330.24 = 2,071.63 : x
  2. Step 2: Convert to fraction form
    2,216.10/3,330.24 = 2,071.63/x
  3. Step 3: Cross multiply
    2,216.10x = 3,330.24 × 2,071.63
  4. Step 4: Simplify right side
    2,216.10x = 6,899,025.09
  5. Step 5: Solve for x
    x = 6,899,025.09/2,216.10
  6. Step 6: Final answer
    x = 3,113.14

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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.