Home / 2,378.16-3,283.32-1,882.80

Finding the Fourth Proportional to 2,378.16, 3,283.32 and 1,882.80

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Solution

The fourth proportional to 2,378.16, 3,283.32 and 1,882.80 is: 2,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.16 : 3,283.32 = 1,882.80 : x
  2. Step 2: Convert to fraction form
    2,378.16/3,283.32 = 1,882.80/x
  3. Step 3: Cross multiply
    2,378.16x = 3,283.32 × 1,882.80
  4. Step 4: Simplify right side
    2,378.16x = 6,181,834.90
  5. Step 5: Solve for x
    x = 6,181,834.90/2,378.16
  6. Step 6: Final answer
    x = 2,599.42

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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.