Home / 4,214.98-5,814.24-2,640.34

Finding the Fourth Proportional to 4,214.98, 5,814.24 and 2,640.34

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Solution

The fourth proportional to 4,214.98, 5,814.24 and 2,640.34 is: 3,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.98 : 5,814.24 = 2,640.34 : x
  2. Step 2: Convert to fraction form
    4,214.98/5,814.24 = 2,640.34/x
  3. Step 3: Cross multiply
    4,214.98x = 5,814.24 × 2,640.34
  4. Step 4: Simplify right side
    4,214.98x = 15,351,570.44
  5. Step 5: Solve for x
    x = 15,351,570.44/4,214.98
  6. Step 6: Final answer
    x = 3,642.15

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1.5x scale

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.