Home / 4,114.24-5,678.54-2,621.82

Finding the Fourth Proportional to 4,114.24, 5,678.54 and 2,621.82

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Solution

The fourth proportional to 4,114.24, 5,678.54 and 2,621.82 is: 3,618.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.24 : 5,678.54 = 2,621.82 : x
  2. Step 2: Convert to fraction form
    4,114.24/5,678.54 = 2,621.82/x
  3. Step 3: Cross multiply
    4,114.24x = 5,678.54 × 2,621.82
  4. Step 4: Simplify right side
    4,114.24x = 14,888,109.74
  5. Step 5: Solve for x
    x = 14,888,109.74/4,114.24
  6. Step 6: Final answer
    x = 3,618.68

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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.