Home / 2,884.13-3,980.11-1,625.24

Finding the Fourth Proportional to 2,884.13, 3,980.11 and 1,625.24

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Solution

The fourth proportional to 2,884.13, 3,980.11 and 1,625.24 is: 2,242.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.13 : 3,980.11 = 1,625.24 : x
  2. Step 2: Convert to fraction form
    2,884.13/3,980.11 = 1,625.24/x
  3. Step 3: Cross multiply
    2,884.13x = 3,980.11 × 1,625.24
  4. Step 4: Simplify right side
    2,884.13x = 6,468,633.98
  5. Step 5: Solve for x
    x = 6,468,633.98/2,884.13
  6. Step 6: Final answer
    x = 2,242.84

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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.