Home / 3,621.18-4,997.78-2,626.08

Finding the Fourth Proportional to 3,621.18, 4,997.78 and 2,626.08

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Solution

The fourth proportional to 3,621.18, 4,997.78 and 2,626.08 is: 3,624.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.18 : 4,997.78 = 2,626.08 : x
  2. Step 2: Convert to fraction form
    3,621.18/4,997.78 = 2,626.08/x
  3. Step 3: Cross multiply
    3,621.18x = 4,997.78 × 2,626.08
  4. Step 4: Simplify right side
    3,621.18x = 13,124,570.10
  5. Step 5: Solve for x
    x = 13,124,570.10/3,621.18
  6. Step 6: Final answer
    x = 3,624.39

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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.