Home / 2,949.15-4,069.89-1,622.93

Finding the Fourth Proportional to 2,949.15, 4,069.89 and 1,622.93

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Solution

The fourth proportional to 2,949.15, 4,069.89 and 1,622.93 is: 2,239.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.15 : 4,069.89 = 1,622.93 : x
  2. Step 2: Convert to fraction form
    2,949.15/4,069.89 = 1,622.93/x
  3. Step 3: Cross multiply
    2,949.15x = 4,069.89 × 1,622.93
  4. Step 4: Simplify right side
    2,949.15x = 6,605,126.23
  5. Step 5: Solve for x
    x = 6,605,126.23/2,949.15
  6. Step 6: Final answer
    x = 2,239.67

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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.