Home / 2,881.37-3,977.61-2,564.26

Finding the Fourth Proportional to 2,881.37, 3,977.61 and 2,564.26

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Solution

The fourth proportional to 2,881.37, 3,977.61 and 2,564.26 is: 3,539.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.37 : 3,977.61 = 2,564.26 : x
  2. Step 2: Convert to fraction form
    2,881.37/3,977.61 = 2,564.26/x
  3. Step 3: Cross multiply
    2,881.37x = 3,977.61 × 2,564.26
  4. Step 4: Simplify right side
    2,881.37x = 10,199,606.66
  5. Step 5: Solve for x
    x = 10,199,606.66/2,881.37
  6. Step 6: Final answer
    x = 3,539.84

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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.