Home / 2,272.08-3,407.41-628.23

Finding the Fourth Proportional to 2,272.08, 3,407.41 and 628.23

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Solution

The fourth proportional to 2,272.08, 3,407.41 and 628.23 is: 942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.08 : 3,407.41 = 628.23 : x
  2. Step 2: Convert to fraction form
    2,272.08/3,407.41 = 628.23/x
  3. Step 3: Cross multiply
    2,272.08x = 3,407.41 × 628.23
  4. Step 4: Simplify right side
    2,272.08x = 2,140,637.18
  5. Step 5: Solve for x
    x = 2,140,637.18/2,272.08
  6. Step 6: Final answer
    x = 942.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.