Home / 4,191.75-5,784.62-2,619.95

Finding the Fourth Proportional to 4,191.75, 5,784.62 and 2,619.95

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Solution

The fourth proportional to 4,191.75, 5,784.62 and 2,619.95 is: 3,615.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.75 : 5,784.62 = 2,619.95 : x
  2. Step 2: Convert to fraction form
    4,191.75/5,784.62 = 2,619.95/x
  3. Step 3: Cross multiply
    4,191.75x = 5,784.62 × 2,619.95
  4. Step 4: Simplify right side
    4,191.75x = 15,155,373.15
  5. Step 5: Solve for x
    x = 15,155,373.15/4,191.75
  6. Step 6: Final answer
    x = 3,615.52

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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.