Home / 4,214.92-5,814.84-2,640.28

Finding the Fourth Proportional to 4,214.92, 5,814.84 and 2,640.28

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Solution

The fourth proportional to 4,214.92, 5,814.84 and 2,640.28 is: 3,642.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.92 : 5,814.84 = 2,640.28 : x
  2. Step 2: Convert to fraction form
    4,214.92/5,814.84 = 2,640.28/x
  3. Step 3: Cross multiply
    4,214.92x = 5,814.84 × 2,640.28
  4. Step 4: Simplify right side
    4,214.92x = 15,352,805.76
  5. Step 5: Solve for x
    x = 15,352,805.76/4,214.92
  6. Step 6: Final answer
    x = 3,642.49

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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.