Home / 2,690.92-4,046.22-2,477.08

Finding the Fourth Proportional to 2,690.92, 4,046.22 and 2,477.08

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Solution

The fourth proportional to 2,690.92, 4,046.22 and 2,477.08 is: 3,724.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.92 : 4,046.22 = 2,477.08 : x
  2. Step 2: Convert to fraction form
    2,690.92/4,046.22 = 2,477.08/x
  3. Step 3: Cross multiply
    2,690.92x = 4,046.22 × 2,477.08
  4. Step 4: Simplify right side
    2,690.92x = 10,022,810.64
  5. Step 5: Solve for x
    x = 10,022,810.64/2,690.92
  6. Step 6: Final answer
    x = 3,724.68

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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.