Home / 2,912.98-4,019.88-1,734.07

Finding the Fourth Proportional to 2,912.98, 4,019.88 and 1,734.07

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Solution

The fourth proportional to 2,912.98, 4,019.88 and 1,734.07 is: 2,393.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.98 : 4,019.88 = 1,734.07 : x
  2. Step 2: Convert to fraction form
    2,912.98/4,019.88 = 1,734.07/x
  3. Step 3: Cross multiply
    2,912.98x = 4,019.88 × 1,734.07
  4. Step 4: Simplify right side
    2,912.98x = 6,970,753.31
  5. Step 5: Solve for x
    x = 6,970,753.31/2,912.98
  6. Step 6: Final answer
    x = 2,393.00

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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.