Home / 2,734.93-4,102.23-1,638.55

Finding the Fourth Proportional to 2,734.93, 4,102.23 and 1,638.55

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Solution

The fourth proportional to 2,734.93, 4,102.23 and 1,638.55 is: 2,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.93 : 4,102.23 = 1,638.55 : x
  2. Step 2: Convert to fraction form
    2,734.93/4,102.23 = 1,638.55/x
  3. Step 3: Cross multiply
    2,734.93x = 4,102.23 × 1,638.55
  4. Step 4: Simplify right side
    2,734.93x = 6,721,698.71
  5. Step 5: Solve for x
    x = 6,721,698.71/2,734.93
  6. Step 6: Final answer
    x = 2,457.72

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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.