Home / 2,913.94-4,020.94-1,734.79

Finding the Fourth Proportional to 2,913.94, 4,020.94 and 1,734.79

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Solution

The fourth proportional to 2,913.94, 4,020.94 and 1,734.79 is: 2,393.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.94 : 4,020.94 = 1,734.79 : x
  2. Step 2: Convert to fraction form
    2,913.94/4,020.94 = 1,734.79/x
  3. Step 3: Cross multiply
    2,913.94x = 4,020.94 × 1,734.79
  4. Step 4: Simplify right side
    2,913.94x = 6,975,457.72
  5. Step 5: Solve for x
    x = 6,975,457.72/2,913.94
  6. Step 6: Final answer
    x = 2,393.82

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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.