Home / 4,228.02-6,342.57-2,147.31

Finding the Fourth Proportional to 4,228.02, 6,342.57 and 2,147.31

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Solution

The fourth proportional to 4,228.02, 6,342.57 and 2,147.31 is: 3,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.02 : 6,342.57 = 2,147.31 : x
  2. Step 2: Convert to fraction form
    4,228.02/6,342.57 = 2,147.31/x
  3. Step 3: Cross multiply
    4,228.02x = 6,342.57 × 2,147.31
  4. Step 4: Simplify right side
    4,228.02x = 13,619,463.99
  5. Step 5: Solve for x
    x = 13,619,463.99/4,228.02
  6. Step 6: Final answer
    x = 3,221.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.