Home / 4,218.05-5,820.76-2,329.60

Finding the Fourth Proportional to 4,218.05, 5,820.76 and 2,329.60

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Solution

The fourth proportional to 4,218.05, 5,820.76 and 2,329.60 is: 3,214.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.05 : 5,820.76 = 2,329.60 : x
  2. Step 2: Convert to fraction form
    4,218.05/5,820.76 = 2,329.60/x
  3. Step 3: Cross multiply
    4,218.05x = 5,820.76 × 2,329.60
  4. Step 4: Simplify right side
    4,218.05x = 13,560,042.50
  5. Step 5: Solve for x
    x = 13,560,042.50/4,218.05
  6. Step 6: Final answer
    x = 3,214.77

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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.