Home / 3,970.59-5,957.84-2,808.07

Finding the Fourth Proportional to 3,970.59, 5,957.84 and 2,808.07

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Solution

The fourth proportional to 3,970.59, 5,957.84 and 2,808.07 is: 4,213.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.59 : 5,957.84 = 2,808.07 : x
  2. Step 2: Convert to fraction form
    3,970.59/5,957.84 = 2,808.07/x
  3. Step 3: Cross multiply
    3,970.59x = 5,957.84 × 2,808.07
  4. Step 4: Simplify right side
    3,970.59x = 16,730,008.10
  5. Step 5: Solve for x
    x = 16,730,008.10/3,970.59
  6. Step 6: Final answer
    x = 4,213.49

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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.