Home / 2,741.65-4,106.40-2,123.35

Finding the Fourth Proportional to 2,741.65, 4,106.40 and 2,123.35

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Solution

The fourth proportional to 2,741.65, 4,106.40 and 2,123.35 is: 3,180.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.65 : 4,106.40 = 2,123.35 : x
  2. Step 2: Convert to fraction form
    2,741.65/4,106.40 = 2,123.35/x
  3. Step 3: Cross multiply
    2,741.65x = 4,106.40 × 2,123.35
  4. Step 4: Simplify right side
    2,741.65x = 8,719,324.44
  5. Step 5: Solve for x
    x = 8,719,324.44/2,741.65
  6. Step 6: Final answer
    x = 3,180.32

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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.