Home / 3,160.64-4,735.02-2,643.96

Finding the Fourth Proportional to 3,160.64, 4,735.02 and 2,643.96

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Solution

The fourth proportional to 3,160.64, 4,735.02 and 2,643.96 is: 3,960.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.64 : 4,735.02 = 2,643.96 : x
  2. Step 2: Convert to fraction form
    3,160.64/4,735.02 = 2,643.96/x
  3. Step 3: Cross multiply
    3,160.64x = 4,735.02 × 2,643.96
  4. Step 4: Simplify right side
    3,160.64x = 12,519,203.48
  5. Step 5: Solve for x
    x = 12,519,203.48/3,160.64
  6. Step 6: Final answer
    x = 3,960.98

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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.