Home / 3,894.08-5,360.19-3,395.84

Finding the Fourth Proportional to 3,894.08, 5,360.19 and 3,395.84

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Solution

The fourth proportional to 3,894.08, 5,360.19 and 3,395.84 is: 4,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.08 : 5,360.19 = 3,395.84 : x
  2. Step 2: Convert to fraction form
    3,894.08/5,360.19 = 3,395.84/x
  3. Step 3: Cross multiply
    3,894.08x = 5,360.19 × 3,395.84
  4. Step 4: Simplify right side
    3,894.08x = 18,202,347.61
  5. Step 5: Solve for x
    x = 18,202,347.61/3,894.08
  6. Step 6: Final answer
    x = 4,674.36

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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.