Home / 2,684.59-4,019.20-1,817.35

Finding the Fourth Proportional to 2,684.59, 4,019.20 and 1,817.35

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Solution

The fourth proportional to 2,684.59, 4,019.20 and 1,817.35 is: 2,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.59 : 4,019.20 = 1,817.35 : x
  2. Step 2: Convert to fraction form
    2,684.59/4,019.20 = 1,817.35/x
  3. Step 3: Cross multiply
    2,684.59x = 4,019.20 × 1,817.35
  4. Step 4: Simplify right side
    2,684.59x = 7,304,293.12
  5. Step 5: Solve for x
    x = 7,304,293.12/2,684.59
  6. Step 6: Final answer
    x = 2,720.82

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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.