Home / 2,622.43-3,620.08-1,875.09

Finding the Fourth Proportional to 2,622.43, 3,620.08 and 1,875.09

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Solution

The fourth proportional to 2,622.43, 3,620.08 and 1,875.09 is: 2,588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.43 : 3,620.08 = 1,875.09 : x
  2. Step 2: Convert to fraction form
    2,622.43/3,620.08 = 1,875.09/x
  3. Step 3: Cross multiply
    2,622.43x = 3,620.08 × 1,875.09
  4. Step 4: Simplify right side
    2,622.43x = 6,787,973.79
  5. Step 5: Solve for x
    x = 6,787,973.79/2,622.43
  6. Step 6: Final answer
    x = 2,588.43

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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.