Home / 3,985.16-5,980.58-2,671.41

Finding the Fourth Proportional to 3,985.16, 5,980.58 and 2,671.41

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Solution

The fourth proportional to 3,985.16, 5,980.58 and 2,671.41 is: 4,009.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.16 : 5,980.58 = 2,671.41 : x
  2. Step 2: Convert to fraction form
    3,985.16/5,980.58 = 2,671.41/x
  3. Step 3: Cross multiply
    3,985.16x = 5,980.58 × 2,671.41
  4. Step 4: Simplify right side
    3,985.16x = 15,976,567.86
  5. Step 5: Solve for x
    x = 15,976,567.86/3,985.16
  6. Step 6: Final answer
    x = 4,009.02

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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.