Home / 3,128.02-4,311.70-2,463.82

Finding the Fourth Proportional to 3,128.02, 4,311.70 and 2,463.82

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Solution

The fourth proportional to 3,128.02, 4,311.70 and 2,463.82 is: 3,396.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128.02 : 4,311.70 = 2,463.82 : x
  2. Step 2: Convert to fraction form
    3,128.02/4,311.70 = 2,463.82/x
  3. Step 3: Cross multiply
    3,128.02x = 4,311.70 × 2,463.82
  4. Step 4: Simplify right side
    3,128.02x = 10,623,252.69
  5. Step 5: Solve for x
    x = 10,623,252.69/3,128.02
  6. Step 6: Final answer
    x = 3,396.16

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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.