Home / 3,859.11-5,325.59-2,265.39

Finding the Fourth Proportional to 3,859.11, 5,325.59 and 2,265.39

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Solution

The fourth proportional to 3,859.11, 5,325.59 and 2,265.39 is: 3,126.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.11 : 5,325.59 = 2,265.39 : x
  2. Step 2: Convert to fraction form
    3,859.11/5,325.59 = 2,265.39/x
  3. Step 3: Cross multiply
    3,859.11x = 5,325.59 × 2,265.39
  4. Step 4: Simplify right side
    3,859.11x = 12,064,543.99
  5. Step 5: Solve for x
    x = 12,064,543.99/3,859.11
  6. Step 6: Final answer
    x = 3,126.25

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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.