Home / 2,621.97-3,616.98-1,771.68

Finding the Fourth Proportional to 2,621.97, 3,616.98 and 1,771.68

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Solution

The fourth proportional to 2,621.97, 3,616.98 and 1,771.68 is: 2,444.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.97 : 3,616.98 = 1,771.68 : x
  2. Step 2: Convert to fraction form
    2,621.97/3,616.98 = 1,771.68/x
  3. Step 3: Cross multiply
    2,621.97x = 3,616.98 × 1,771.68
  4. Step 4: Simplify right side
    2,621.97x = 6,408,131.13
  5. Step 5: Solve for x
    x = 6,408,131.13/2,621.97
  6. Step 6: Final answer
    x = 2,444.01

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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.