Home / 3,515.78-5,267.61-2,329.08

Finding the Fourth Proportional to 3,515.78, 5,267.61 and 2,329.08

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Solution

The fourth proportional to 3,515.78, 5,267.61 and 2,329.08 is: 3,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.78 : 5,267.61 = 2,329.08 : x
  2. Step 2: Convert to fraction form
    3,515.78/5,267.61 = 2,329.08/x
  3. Step 3: Cross multiply
    3,515.78x = 5,267.61 × 2,329.08
  4. Step 4: Simplify right side
    3,515.78x = 12,268,670.86
  5. Step 5: Solve for x
    x = 12,268,670.86/3,515.78
  6. Step 6: Final answer
    x = 3,489.60

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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.