Home / 3,325.05-4,988.31-985.24

Finding the Fourth Proportional to 3,325.05, 4,988.31 and 985.24

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Solution

The fourth proportional to 3,325.05, 4,988.31 and 985.24 is: 1,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.05 : 4,988.31 = 985.24 : x
  2. Step 2: Convert to fraction form
    3,325.05/4,988.31 = 985.24/x
  3. Step 3: Cross multiply
    3,325.05x = 4,988.31 × 985.24
  4. Step 4: Simplify right side
    3,325.05x = 4,914,677.62
  5. Step 5: Solve for x
    x = 4,914,677.62/3,325.05
  6. Step 6: Final answer
    x = 1,478.08

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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.