Home / 2,286.02-3,154.68-1,238.07

Finding the Fourth Proportional to 2,286.02, 3,154.68 and 1,238.07

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Solution

The fourth proportional to 2,286.02, 3,154.68 and 1,238.07 is: 1,708.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.02 : 3,154.68 = 1,238.07 : x
  2. Step 2: Convert to fraction form
    2,286.02/3,154.68 = 1,238.07/x
  3. Step 3: Cross multiply
    2,286.02x = 3,154.68 × 1,238.07
  4. Step 4: Simplify right side
    2,286.02x = 3,905,714.67
  5. Step 5: Solve for x
    x = 3,905,714.67/2,286.02
  6. Step 6: Final answer
    x = 1,708.52

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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.