Home / 2,622.61-3,620.48-1,772.08

Finding the Fourth Proportional to 2,622.61, 3,620.48 and 1,772.08

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Solution

The fourth proportional to 2,622.61, 3,620.48 and 1,772.08 is: 2,446.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.61 : 3,620.48 = 1,772.08 : x
  2. Step 2: Convert to fraction form
    2,622.61/3,620.48 = 1,772.08/x
  3. Step 3: Cross multiply
    2,622.61x = 3,620.48 × 1,772.08
  4. Step 4: Simplify right side
    2,622.61x = 6,415,780.20
  5. Step 5: Solve for x
    x = 6,415,780.20/2,622.61
  6. Step 6: Final answer
    x = 2,446.33

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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.