Home / 3,711.42-5,121.77-2,032.84

Finding the Fourth Proportional to 3,711.42, 5,121.77 and 2,032.84

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Solution

The fourth proportional to 3,711.42, 5,121.77 and 2,032.84 is: 2,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.42 : 5,121.77 = 2,032.84 : x
  2. Step 2: Convert to fraction form
    3,711.42/5,121.77 = 2,032.84/x
  3. Step 3: Cross multiply
    3,711.42x = 5,121.77 × 2,032.84
  4. Step 4: Simplify right side
    3,711.42x = 10,411,733.84
  5. Step 5: Solve for x
    x = 10,411,733.84/3,711.42
  6. Step 6: Final answer
    x = 2,805.32

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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.