Home / 2,818.08-4,222.47-968.19

Finding the Fourth Proportional to 2,818.08, 4,222.47 and 968.19

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Solution

The fourth proportional to 2,818.08, 4,222.47 and 968.19 is: 1,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.08 : 4,222.47 = 968.19 : x
  2. Step 2: Convert to fraction form
    2,818.08/4,222.47 = 968.19/x
  3. Step 3: Cross multiply
    2,818.08x = 4,222.47 × 968.19
  4. Step 4: Simplify right side
    2,818.08x = 4,088,153.23
  5. Step 5: Solve for x
    x = 4,088,153.23/2,818.08
  6. Step 6: Final answer
    x = 1,450.69

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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.