Home / 4,218.35-5,821.29-2,330.05

Finding the Fourth Proportional to 4,218.35, 5,821.29 and 2,330.05

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Solution

The fourth proportional to 4,218.35, 5,821.29 and 2,330.05 is: 3,215.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.35 : 5,821.29 = 2,330.05 : x
  2. Step 2: Convert to fraction form
    4,218.35/5,821.29 = 2,330.05/x
  3. Step 3: Cross multiply
    4,218.35x = 5,821.29 × 2,330.05
  4. Step 4: Simplify right side
    4,218.35x = 13,563,917.14
  5. Step 5: Solve for x
    x = 13,563,917.14/4,218.35
  6. Step 6: Final answer
    x = 3,215.46

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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.