Home / 3,390.94-5,066.97-2,585.06

Finding the Fourth Proportional to 3,390.94, 5,066.97 and 2,585.06

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Solution

The fourth proportional to 3,390.94, 5,066.97 and 2,585.06 is: 3,862.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.94 : 5,066.97 = 2,585.06 : x
  2. Step 2: Convert to fraction form
    3,390.94/5,066.97 = 2,585.06/x
  3. Step 3: Cross multiply
    3,390.94x = 5,066.97 × 2,585.06
  4. Step 4: Simplify right side
    3,390.94x = 13,098,421.47
  5. Step 5: Solve for x
    x = 13,098,421.47/3,390.94
  6. Step 6: Final answer
    x = 3,862.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.