Home / 2,942.40-4,059.93-1,763.31

Finding the Fourth Proportional to 2,942.40, 4,059.93 and 1,763.31

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Solution

The fourth proportional to 2,942.40, 4,059.93 and 1,763.31 is: 2,433.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.40 : 4,059.93 = 1,763.31 : x
  2. Step 2: Convert to fraction form
    2,942.40/4,059.93 = 1,763.31/x
  3. Step 3: Cross multiply
    2,942.40x = 4,059.93 × 1,763.31
  4. Step 4: Simplify right side
    2,942.40x = 7,158,915.17
  5. Step 5: Solve for x
    x = 7,158,915.17/2,942.40
  6. Step 6: Final answer
    x = 2,433.02

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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.