Home / 4,219.86-5,822.64-2,964.75

Finding the Fourth Proportional to 4,219.86, 5,822.64 and 2,964.75

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Solution

The fourth proportional to 4,219.86, 5,822.64 and 2,964.75 is: 4,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.86 : 5,822.64 = 2,964.75 : x
  2. Step 2: Convert to fraction form
    4,219.86/5,822.64 = 2,964.75/x
  3. Step 3: Cross multiply
    4,219.86x = 5,822.64 × 2,964.75
  4. Step 4: Simplify right side
    4,219.86x = 17,262,671.94
  5. Step 5: Solve for x
    x = 17,262,671.94/4,219.86
  6. Step 6: Final answer
    x = 4,090.82

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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.