Home / 3,316.86-4,995.05-2,889.18

Finding the Fourth Proportional to 3,316.86, 4,995.05 and 2,889.18

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Solution

The fourth proportional to 3,316.86, 4,995.05 and 2,889.18 is: 4,350.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.86 : 4,995.05 = 2,889.18 : x
  2. Step 2: Convert to fraction form
    3,316.86/4,995.05 = 2,889.18/x
  3. Step 3: Cross multiply
    3,316.86x = 4,995.05 × 2,889.18
  4. Step 4: Simplify right side
    3,316.86x = 14,431,584.11
  5. Step 5: Solve for x
    x = 14,431,584.11/3,316.86
  6. Step 6: Final answer
    x = 4,350.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.