Home / 3,486.69-5,226.80-2,391.57

Finding the Fourth Proportional to 3,486.69, 5,226.80 and 2,391.57

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Solution

The fourth proportional to 3,486.69, 5,226.80 and 2,391.57 is: 3,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.69 : 5,226.80 = 2,391.57 : x
  2. Step 2: Convert to fraction form
    3,486.69/5,226.80 = 2,391.57/x
  3. Step 3: Cross multiply
    3,486.69x = 5,226.80 × 2,391.57
  4. Step 4: Simplify right side
    3,486.69x = 12,500,246.12
  5. Step 5: Solve for x
    x = 12,500,246.12/3,486.69
  6. Step 6: Final answer
    x = 3,585.13

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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.