Home / 3,941.52-5,438.91-2,428.84

Finding the Fourth Proportional to 3,941.52, 5,438.91 and 2,428.84

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Solution

The fourth proportional to 3,941.52, 5,438.91 and 2,428.84 is: 3,351.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.52 : 5,438.91 = 2,428.84 : x
  2. Step 2: Convert to fraction form
    3,941.52/5,438.91 = 2,428.84/x
  3. Step 3: Cross multiply
    3,941.52x = 5,438.91 × 2,428.84
  4. Step 4: Simplify right side
    3,941.52x = 13,210,258.07
  5. Step 5: Solve for x
    x = 13,210,258.07/3,941.52
  6. Step 6: Final answer
    x = 3,351.57

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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.