Home / 4,121.37-5,686.94-2,328.84

Finding the Fourth Proportional to 4,121.37, 5,686.94 and 2,328.84

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Solution

The fourth proportional to 4,121.37, 5,686.94 and 2,328.84 is: 3,213.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.37 : 5,686.94 = 2,328.84 : x
  2. Step 2: Convert to fraction form
    4,121.37/5,686.94 = 2,328.84/x
  3. Step 3: Cross multiply
    4,121.37x = 5,686.94 × 2,328.84
  4. Step 4: Simplify right side
    4,121.37x = 13,243,979.17
  5. Step 5: Solve for x
    x = 13,243,979.17/4,121.37
  6. Step 6: Final answer
    x = 3,213.49

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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.