Home / 2,940.34-4,409.68-1,275.02

Finding the Fourth Proportional to 2,940.34, 4,409.68 and 1,275.02

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Solution

The fourth proportional to 2,940.34, 4,409.68 and 1,275.02 is: 1,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.34 : 4,409.68 = 1,275.02 : x
  2. Step 2: Convert to fraction form
    2,940.34/4,409.68 = 1,275.02/x
  3. Step 3: Cross multiply
    2,940.34x = 4,409.68 × 1,275.02
  4. Step 4: Simplify right side
    2,940.34x = 5,622,430.19
  5. Step 5: Solve for x
    x = 5,622,430.19/2,940.34
  6. Step 6: Final answer
    x = 1,912.17

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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.