Home / 2,612.77-3,605.78-1,727.03

Finding the Fourth Proportional to 2,612.77, 3,605.78 and 1,727.03

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Solution

The fourth proportional to 2,612.77, 3,605.78 and 1,727.03 is: 2,383.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.77 : 3,605.78 = 1,727.03 : x
  2. Step 2: Convert to fraction form
    2,612.77/3,605.78 = 1,727.03/x
  3. Step 3: Cross multiply
    2,612.77x = 3,605.78 × 1,727.03
  4. Step 4: Simplify right side
    2,612.77x = 6,227,290.23
  5. Step 5: Solve for x
    x = 6,227,290.23/2,612.77
  6. Step 6: Final answer
    x = 2,383.41

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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.