Home / 2,230.18-3,078.64-1,334.24

Finding the Fourth Proportional to 2,230.18, 3,078.64 and 1,334.24

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Solution

The fourth proportional to 2,230.18, 3,078.64 and 1,334.24 is: 1,841.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.18 : 3,078.64 = 1,334.24 : x
  2. Step 2: Convert to fraction form
    2,230.18/3,078.64 = 1,334.24/x
  3. Step 3: Cross multiply
    2,230.18x = 3,078.64 × 1,334.24
  4. Step 4: Simplify right side
    2,230.18x = 4,107,644.63
  5. Step 5: Solve for x
    x = 4,107,644.63/2,230.18
  6. Step 6: Final answer
    x = 1,841.84

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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.