Home / 3,858.84-5,321.57-2,600.10

Finding the Fourth Proportional to 3,858.84, 5,321.57 and 2,600.10

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Solution

The fourth proportional to 3,858.84, 5,321.57 and 2,600.10 is: 3,585.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.84 : 5,321.57 = 2,600.10 : x
  2. Step 2: Convert to fraction form
    3,858.84/5,321.57 = 2,600.10/x
  3. Step 3: Cross multiply
    3,858.84x = 5,321.57 × 2,600.10
  4. Step 4: Simplify right side
    3,858.84x = 13,836,601.16
  5. Step 5: Solve for x
    x = 13,836,601.16/3,858.84
  6. Step 6: Final answer
    x = 3,585.69

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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.