Home / 3,641.76-5,464.32-2,485.12

Finding the Fourth Proportional to 3,641.76, 5,464.32 and 2,485.12

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Solution

The fourth proportional to 3,641.76, 5,464.32 and 2,485.12 is: 3,728.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641.76 : 5,464.32 = 2,485.12 : x
  2. Step 2: Convert to fraction form
    3,641.76/5,464.32 = 2,485.12/x
  3. Step 3: Cross multiply
    3,641.76x = 5,464.32 × 2,485.12
  4. Step 4: Simplify right side
    3,641.76x = 13,579,490.92
  5. Step 5: Solve for x
    x = 13,579,490.92/3,641.76
  6. Step 6: Final answer
    x = 3,728.83

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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.