Home / 3,478.09-4,799.73-1,884.70

Finding the Fourth Proportional to 3,478.09, 4,799.73 and 1,884.70

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Solution

The fourth proportional to 3,478.09, 4,799.73 and 1,884.70 is: 2,600.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.09 : 4,799.73 = 1,884.70 : x
  2. Step 2: Convert to fraction form
    3,478.09/4,799.73 = 1,884.70/x
  3. Step 3: Cross multiply
    3,478.09x = 4,799.73 × 1,884.70
  4. Step 4: Simplify right side
    3,478.09x = 9,046,057.13
  5. Step 5: Solve for x
    x = 9,046,057.13/3,478.09
  6. Step 6: Final answer
    x = 2,600.87

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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.