Home / 3,419.04-4,718.28-2,002.80

Finding the Fourth Proportional to 3,419.04, 4,718.28 and 2,002.80

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Solution

The fourth proportional to 3,419.04, 4,718.28 and 2,002.80 is: 2,763.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.04 : 4,718.28 = 2,002.80 : x
  2. Step 2: Convert to fraction form
    3,419.04/4,718.28 = 2,002.80/x
  3. Step 3: Cross multiply
    3,419.04x = 4,718.28 × 2,002.80
  4. Step 4: Simplify right side
    3,419.04x = 9,449,771.18
  5. Step 5: Solve for x
    x = 9,449,771.18/3,419.04
  6. Step 6: Final answer
    x = 2,763.87

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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.