Home / 2,742.35-4,113.53-1,356.34

Finding the Fourth Proportional to 2,742.35, 4,113.53 and 1,356.34

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Solution

The fourth proportional to 2,742.35, 4,113.53 and 1,356.34 is: 2,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.35 : 4,113.53 = 1,356.34 : x
  2. Step 2: Convert to fraction form
    2,742.35/4,113.53 = 1,356.34/x
  3. Step 3: Cross multiply
    2,742.35x = 4,113.53 × 1,356.34
  4. Step 4: Simplify right side
    2,742.35x = 5,579,345.28
  5. Step 5: Solve for x
    x = 5,579,345.28/2,742.35
  6. Step 6: Final answer
    x = 2,034.51

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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.