Home / 3,859.77-5,325.90-2,265.81

Finding the Fourth Proportional to 3,859.77, 5,325.90 and 2,265.81

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Solution

The fourth proportional to 3,859.77, 5,325.90 and 2,265.81 is: 3,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.77 : 5,325.90 = 2,265.81 : x
  2. Step 2: Convert to fraction form
    3,859.77/5,325.90 = 2,265.81/x
  3. Step 3: Cross multiply
    3,859.77x = 5,325.90 × 2,265.81
  4. Step 4: Simplify right side
    3,859.77x = 12,067,477.48
  5. Step 5: Solve for x
    x = 12,067,477.48/3,859.77
  6. Step 6: Final answer
    x = 3,126.48

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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.