Home / 4,218.10-5,820.95-2,329.80

Finding the Fourth Proportional to 4,218.10, 5,820.95 and 2,329.80

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Solution

The fourth proportional to 4,218.10, 5,820.95 and 2,329.80 is: 3,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.10 : 5,820.95 = 2,329.80 : x
  2. Step 2: Convert to fraction form
    4,218.10/5,820.95 = 2,329.80/x
  3. Step 3: Cross multiply
    4,218.10x = 5,820.95 × 2,329.80
  4. Step 4: Simplify right side
    4,218.10x = 13,561,652.94
  5. Step 5: Solve for x
    x = 13,561,652.94/4,218.10
  6. Step 6: Final answer
    x = 3,215.11

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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.