Home / 3,858.12-5,323.59-2,264.85

Finding the Fourth Proportional to 3,858.12, 5,323.59 and 2,264.85

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Solution

The fourth proportional to 3,858.12, 5,323.59 and 2,264.85 is: 3,125.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.12 : 5,323.59 = 2,264.85 : x
  2. Step 2: Convert to fraction form
    3,858.12/5,323.59 = 2,264.85/x
  3. Step 3: Cross multiply
    3,858.12x = 5,323.59 × 2,264.85
  4. Step 4: Simplify right side
    3,858.12x = 12,057,132.81
  5. Step 5: Solve for x
    x = 12,057,132.81/3,858.12
  6. Step 6: Final answer
    x = 3,125.13

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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.