Home / 3,617.70-4,989.78-2,624.64

Finding the Fourth Proportional to 3,617.70, 4,989.78 and 2,624.64

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Solution

The fourth proportional to 3,617.70, 4,989.78 and 2,624.64 is: 3,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.70 : 4,989.78 = 2,624.64 : x
  2. Step 2: Convert to fraction form
    3,617.70/4,989.78 = 2,624.64/x
  3. Step 3: Cross multiply
    3,617.70x = 4,989.78 × 2,624.64
  4. Step 4: Simplify right side
    3,617.70x = 13,096,376.18
  5. Step 5: Solve for x
    x = 13,096,376.18/3,617.70
  6. Step 6: Final answer
    x = 3,620.08

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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.