Home / 2,884.60-3,980.44-1,625.46

Finding the Fourth Proportional to 2,884.60, 3,980.44 and 1,625.46

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Solution

The fourth proportional to 2,884.60, 3,980.44 and 1,625.46 is: 2,242.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.60 : 3,980.44 = 1,625.46 : x
  2. Step 2: Convert to fraction form
    2,884.60/3,980.44 = 1,625.46/x
  3. Step 3: Cross multiply
    2,884.60x = 3,980.44 × 1,625.46
  4. Step 4: Simplify right side
    2,884.60x = 6,470,046.00
  5. Step 5: Solve for x
    x = 6,470,046.00/2,884.60
  6. Step 6: Final answer
    x = 2,242.96

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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.