Home / 2,254.02-3,379.58-938.68

Finding the Fourth Proportional to 2,254.02, 3,379.58 and 938.68

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Solution

The fourth proportional to 2,254.02, 3,379.58 and 938.68 is: 1,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.02 : 3,379.58 = 938.68 : x
  2. Step 2: Convert to fraction form
    2,254.02/3,379.58 = 938.68/x
  3. Step 3: Cross multiply
    2,254.02x = 3,379.58 × 938.68
  4. Step 4: Simplify right side
    2,254.02x = 3,172,344.15
  5. Step 5: Solve for x
    x = 3,172,344.15/2,254.02
  6. Step 6: Final answer
    x = 1,407.42

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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.