Home / 3,863.20-5,795.60-1,554.70

Finding the Fourth Proportional to 3,863.20, 5,795.60 and 1,554.70

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Solution

The fourth proportional to 3,863.20, 5,795.60 and 1,554.70 is: 2,332.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.20 : 5,795.60 = 1,554.70 : x
  2. Step 2: Convert to fraction form
    3,863.20/5,795.60 = 1,554.70/x
  3. Step 3: Cross multiply
    3,863.20x = 5,795.60 × 1,554.70
  4. Step 4: Simplify right side
    3,863.20x = 9,010,419.32
  5. Step 5: Solve for x
    x = 9,010,419.32/3,863.20
  6. Step 6: Final answer
    x = 2,332.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.