Home / 1,727.50-2,379.13-1,616.33

Finding the Fourth Proportional to 1,727.50, 2,379.13 and 1,616.33

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Solution

The fourth proportional to 1,727.50, 2,379.13 and 1,616.33 is: 2,226.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.50 : 2,379.13 = 1,616.33 : x
  2. Step 2: Convert to fraction form
    1,727.50/2,379.13 = 1,616.33/x
  3. Step 3: Cross multiply
    1,727.50x = 2,379.13 × 1,616.33
  4. Step 4: Simplify right side
    1,727.50x = 3,845,443.26
  5. Step 5: Solve for x
    x = 3,845,443.26/1,727.50
  6. Step 6: Final answer
    x = 2,226.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.