Home / 3,394.89-4,684.05-2,275.02

Finding the Fourth Proportional to 3,394.89, 4,684.05 and 2,275.02

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Solution

The fourth proportional to 3,394.89, 4,684.05 and 2,275.02 is: 3,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.89 : 4,684.05 = 2,275.02 : x
  2. Step 2: Convert to fraction form
    3,394.89/4,684.05 = 2,275.02/x
  3. Step 3: Cross multiply
    3,394.89x = 4,684.05 × 2,275.02
  4. Step 4: Simplify right side
    3,394.89x = 10,656,307.43
  5. Step 5: Solve for x
    x = 10,656,307.43/3,394.89
  6. Step 6: Final answer
    x = 3,138.93

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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.