Home / 2,242.80-3,364.20-1,424.70

Finding the Fourth Proportional to 2,242.80, 3,364.20 and 1,424.70

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Solution

The fourth proportional to 2,242.80, 3,364.20 and 1,424.70 is: 2,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.80 : 3,364.20 = 1,424.70 : x
  2. Step 2: Convert to fraction form
    2,242.80/3,364.20 = 1,424.70/x
  3. Step 3: Cross multiply
    2,242.80x = 3,364.20 × 1,424.70
  4. Step 4: Simplify right side
    2,242.80x = 4,792,975.74
  5. Step 5: Solve for x
    x = 4,792,975.74/2,242.80
  6. Step 6: Final answer
    x = 2,137.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.