Home / 2,272.15-3,407.96-628.93

Finding the Fourth Proportional to 2,272.15, 3,407.96 and 628.93

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Solution

The fourth proportional to 2,272.15, 3,407.96 and 628.93 is: 943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.15 : 3,407.96 = 628.93 : x
  2. Step 2: Convert to fraction form
    2,272.15/3,407.96 = 628.93/x
  3. Step 3: Cross multiply
    2,272.15x = 3,407.96 × 628.93
  4. Step 4: Simplify right side
    2,272.15x = 2,143,368.28
  5. Step 5: Solve for x
    x = 2,143,368.28/2,272.15
  6. Step 6: Final answer
    x = 943.32

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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.