Home / 2,622.60-3,619.62-1,575.72

Finding the Fourth Proportional to 2,622.60, 3,619.62 and 1,575.72

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Solution

The fourth proportional to 2,622.60, 3,619.62 and 1,575.72 is: 2,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.60 : 3,619.62 = 1,575.72 : x
  2. Step 2: Convert to fraction form
    2,622.60/3,619.62 = 1,575.72/x
  3. Step 3: Cross multiply
    2,622.60x = 3,619.62 × 1,575.72
  4. Step 4: Simplify right side
    2,622.60x = 5,703,507.63
  5. Step 5: Solve for x
    x = 5,703,507.63/2,622.60
  6. Step 6: Final answer
    x = 2,174.75

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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.