Home / 4,217.36-5,820.31-2,329.12

Finding the Fourth Proportional to 4,217.36, 5,820.31 and 2,329.12

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Solution

The fourth proportional to 4,217.36, 5,820.31 and 2,329.12 is: 3,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.36 : 5,820.31 = 2,329.12 : x
  2. Step 2: Convert to fraction form
    4,217.36/5,820.31 = 2,329.12/x
  3. Step 3: Cross multiply
    4,217.36x = 5,820.31 × 2,329.12
  4. Step 4: Simplify right side
    4,217.36x = 13,556,200.43
  5. Step 5: Solve for x
    x = 13,556,200.43/4,217.36
  6. Step 6: Final answer
    x = 3,214.38

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Half scale
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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.