Home / 2,617.70-3,611.53-1,622.62

Finding the Fourth Proportional to 2,617.70, 3,611.53 and 1,622.62

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Solution

The fourth proportional to 2,617.70, 3,611.53 and 1,622.62 is: 2,238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.70 : 3,611.53 = 1,622.62 : x
  2. Step 2: Convert to fraction form
    2,617.70/3,611.53 = 1,622.62/x
  3. Step 3: Cross multiply
    2,617.70x = 3,611.53 × 1,622.62
  4. Step 4: Simplify right side
    2,617.70x = 5,860,140.81
  5. Step 5: Solve for x
    x = 5,860,140.81/2,617.70
  6. Step 6: Final answer
    x = 2,238.66

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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.