Home / 3,880.14-5,816.19-1,539.18

Finding the Fourth Proportional to 3,880.14, 5,816.19 and 1,539.18

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Solution

The fourth proportional to 3,880.14, 5,816.19 and 1,539.18 is: 2,307.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.14 : 5,816.19 = 1,539.18 : x
  2. Step 2: Convert to fraction form
    3,880.14/5,816.19 = 1,539.18/x
  3. Step 3: Cross multiply
    3,880.14x = 5,816.19 × 1,539.18
  4. Step 4: Simplify right side
    3,880.14x = 8,952,163.32
  5. Step 5: Solve for x
    x = 8,952,163.32/3,880.14
  6. Step 6: Final answer
    x = 2,307.18

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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.