Home / 3,326.50-4,989.61-1,938.84

Finding the Fourth Proportional to 3,326.50, 4,989.61 and 1,938.84

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Solution

The fourth proportional to 3,326.50, 4,989.61 and 1,938.84 is: 2,908.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.50 : 4,989.61 = 1,938.84 : x
  2. Step 2: Convert to fraction form
    3,326.50/4,989.61 = 1,938.84/x
  3. Step 3: Cross multiply
    3,326.50x = 4,989.61 × 1,938.84
  4. Step 4: Simplify right side
    3,326.50x = 9,674,055.45
  5. Step 5: Solve for x
    x = 9,674,055.45/3,326.50
  6. Step 6: Final answer
    x = 2,908.18

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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.