Home / 2,230.53-3,078.17-1,346.14

Finding the Fourth Proportional to 2,230.53, 3,078.17 and 1,346.14

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Solution

The fourth proportional to 2,230.53, 3,078.17 and 1,346.14 is: 1,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.53 : 3,078.17 = 1,346.14 : x
  2. Step 2: Convert to fraction form
    2,230.53/3,078.17 = 1,346.14/x
  3. Step 3: Cross multiply
    2,230.53x = 3,078.17 × 1,346.14
  4. Step 4: Simplify right side
    2,230.53x = 4,143,647.76
  5. Step 5: Solve for x
    x = 4,143,647.76/2,230.53
  6. Step 6: Final answer
    x = 1,857.70

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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.