Home / 4,283.28-5,910.96-2,420.16

Finding the Fourth Proportional to 4,283.28, 5,910.96 and 2,420.16

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Solution

The fourth proportional to 4,283.28, 5,910.96 and 2,420.16 is: 3,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.28 : 5,910.96 = 2,420.16 : x
  2. Step 2: Convert to fraction form
    4,283.28/5,910.96 = 2,420.16/x
  3. Step 3: Cross multiply
    4,283.28x = 5,910.96 × 2,420.16
  4. Step 4: Simplify right side
    4,283.28x = 14,305,468.95
  5. Step 5: Solve for x
    x = 14,305,468.95/4,283.28
  6. Step 6: Final answer
    x = 3,339.84

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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.