Home / 2,243.50-3,362.97-1,420.18

Finding the Fourth Proportional to 2,243.50, 3,362.97 and 1,420.18

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Solution

The fourth proportional to 2,243.50, 3,362.97 and 1,420.18 is: 2,128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243.50 : 3,362.97 = 1,420.18 : x
  2. Step 2: Convert to fraction form
    2,243.50/3,362.97 = 1,420.18/x
  3. Step 3: Cross multiply
    2,243.50x = 3,362.97 × 1,420.18
  4. Step 4: Simplify right side
    2,243.50x = 4,776,030.58
  5. Step 5: Solve for x
    x = 4,776,030.58/2,243.50
  6. Step 6: Final answer
    x = 2,128.83

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1.5x scale

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.