Home / 3,418.56-4,721.76-2,975.04

Finding the Fourth Proportional to 3,418.56, 4,721.76 and 2,975.04

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Solution

The fourth proportional to 3,418.56, 4,721.76 and 2,975.04 is: 4,109.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.56 : 4,721.76 = 2,975.04 : x
  2. Step 2: Convert to fraction form
    3,418.56/4,721.76 = 2,975.04/x
  3. Step 3: Cross multiply
    3,418.56x = 4,721.76 × 2,975.04
  4. Step 4: Simplify right side
    3,418.56x = 14,047,424.87
  5. Step 5: Solve for x
    x = 14,047,424.87/3,418.56
  6. Step 6: Final answer
    x = 4,109.16

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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.