Home / 2,683.28-4,024.83-834.32

Finding the Fourth Proportional to 2,683.28, 4,024.83 and 834.32

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Solution

The fourth proportional to 2,683.28, 4,024.83 and 834.32 is: 1,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.28 : 4,024.83 = 834.32 : x
  2. Step 2: Convert to fraction form
    2,683.28/4,024.83 = 834.32/x
  3. Step 3: Cross multiply
    2,683.28x = 4,024.83 × 834.32
  4. Step 4: Simplify right side
    2,683.28x = 3,357,996.17
  5. Step 5: Solve for x
    x = 3,357,996.17/2,683.28
  6. Step 6: Final answer
    x = 1,251.45

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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.