Home / 2,621.56-3,616.48-1,738.11

Finding the Fourth Proportional to 2,621.56, 3,616.48 and 1,738.11

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Solution

The fourth proportional to 2,621.56, 3,616.48 and 1,738.11 is: 2,397.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.56 : 3,616.48 = 1,738.11 : x
  2. Step 2: Convert to fraction form
    2,621.56/3,616.48 = 1,738.11/x
  3. Step 3: Cross multiply
    2,621.56x = 3,616.48 × 1,738.11
  4. Step 4: Simplify right side
    2,621.56x = 6,285,840.05
  5. Step 5: Solve for x
    x = 6,285,840.05/2,621.56
  6. Step 6: Final answer
    x = 2,397.75

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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.