Home / 2,933.28-4,400.60-985.49

Finding the Fourth Proportional to 2,933.28, 4,400.60 and 985.49

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Solution

The fourth proportional to 2,933.28, 4,400.60 and 985.49 is: 1,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.28 : 4,400.60 = 985.49 : x
  2. Step 2: Convert to fraction form
    2,933.28/4,400.60 = 985.49/x
  3. Step 3: Cross multiply
    2,933.28x = 4,400.60 × 985.49
  4. Step 4: Simplify right side
    2,933.28x = 4,336,720.36
  5. Step 5: Solve for x
    x = 4,336,720.36/2,933.28
  6. Step 6: Final answer
    x = 1,478.45

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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.