Home / 2,518.14-3,474.98-1,399.08

Finding the Fourth Proportional to 2,518.14, 3,474.98 and 1,399.08

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Solution

The fourth proportional to 2,518.14, 3,474.98 and 1,399.08 is: 1,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.14 : 3,474.98 = 1,399.08 : x
  2. Step 2: Convert to fraction form
    2,518.14/3,474.98 = 1,399.08/x
  3. Step 3: Cross multiply
    2,518.14x = 3,474.98 × 1,399.08
  4. Step 4: Simplify right side
    2,518.14x = 4,861,775.02
  5. Step 5: Solve for x
    x = 4,861,775.02/2,518.14
  6. Step 6: Final answer
    x = 1,930.70

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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.