Home / 3,862.82-5,328.90-2,268.95

Finding the Fourth Proportional to 3,862.82, 5,328.90 and 2,268.95

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Solution

The fourth proportional to 3,862.82, 5,328.90 and 2,268.95 is: 3,130.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.82 : 5,328.90 = 2,268.95 : x
  2. Step 2: Convert to fraction form
    3,862.82/5,328.90 = 2,268.95/x
  3. Step 3: Cross multiply
    3,862.82x = 5,328.90 × 2,268.95
  4. Step 4: Simplify right side
    3,862.82x = 12,090,981.01
  5. Step 5: Solve for x
    x = 12,090,981.01/3,862.82
  6. Step 6: Final answer
    x = 3,130.10

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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.