Home / 2,631.60-3,944.88-2,458.08

Finding the Fourth Proportional to 2,631.60, 3,944.88 and 2,458.08

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Solution

The fourth proportional to 2,631.60, 3,944.88 and 2,458.08 is: 3,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.60 : 3,944.88 = 2,458.08 : x
  2. Step 2: Convert to fraction form
    2,631.60/3,944.88 = 2,458.08/x
  3. Step 3: Cross multiply
    2,631.60x = 3,944.88 × 2,458.08
  4. Step 4: Simplify right side
    2,631.60x = 9,696,830.63
  5. Step 5: Solve for x
    x = 9,696,830.63/2,631.60
  6. Step 6: Final answer
    x = 3,684.77

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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.