Home / 2,834.39-3,911.22-1,655.57

Finding the Fourth Proportional to 2,834.39, 3,911.22 and 1,655.57

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Solution

The fourth proportional to 2,834.39, 3,911.22 and 1,655.57 is: 2,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.39 : 3,911.22 = 1,655.57 : x
  2. Step 2: Convert to fraction form
    2,834.39/3,911.22 = 1,655.57/x
  3. Step 3: Cross multiply
    2,834.39x = 3,911.22 × 1,655.57
  4. Step 4: Simplify right side
    2,834.39x = 6,475,308.27
  5. Step 5: Solve for x
    x = 6,475,308.27/2,834.39
  6. Step 6: Final answer
    x = 2,284.55

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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.