Home / 2,242.45-3,095-1,298.85

Finding the Fourth Proportional to 2,242.45, 3,095 and 1,298.85

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Solution

The fourth proportional to 2,242.45, 3,095 and 1,298.85 is: 1,792.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.45 : 3,095 = 1,298.85 : x
  2. Step 2: Convert to fraction form
    2,242.45/3,095 = 1,298.85/x
  3. Step 3: Cross multiply
    2,242.45x = 3,095 × 1,298.85
  4. Step 4: Simplify right side
    2,242.45x = 4,019,940.75
  5. Step 5: Solve for x
    x = 4,019,940.75/2,242.45
  6. Step 6: Final answer
    x = 1,792.66

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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.