Home / 2,616.50-3,918.60-2,064.99

Finding the Fourth Proportional to 2,616.50, 3,918.60 and 2,064.99

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Solution

The fourth proportional to 2,616.50, 3,918.60 and 2,064.99 is: 3,092.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.50 : 3,918.60 = 2,064.99 : x
  2. Step 2: Convert to fraction form
    2,616.50/3,918.60 = 2,064.99/x
  3. Step 3: Cross multiply
    2,616.50x = 3,918.60 × 2,064.99
  4. Step 4: Simplify right side
    2,616.50x = 8,091,864.65
  5. Step 5: Solve for x
    x = 8,091,864.65/2,616.50
  6. Step 6: Final answer
    x = 3,092.63

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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.