Home / 3,858.35-5,325.52-2,265.21

Finding the Fourth Proportional to 3,858.35, 5,325.52 and 2,265.21

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Solution

The fourth proportional to 3,858.35, 5,325.52 and 2,265.21 is: 3,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.35 : 5,325.52 = 2,265.21 : x
  2. Step 2: Convert to fraction form
    3,858.35/5,325.52 = 2,265.21/x
  3. Step 3: Cross multiply
    3,858.35x = 5,325.52 × 2,265.21
  4. Step 4: Simplify right side
    3,858.35x = 12,063,421.16
  5. Step 5: Solve for x
    x = 12,063,421.16/3,858.35
  6. Step 6: Final answer
    x = 3,126.58

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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.