Home / 2,631.06-3,946.60-1,654.74

Finding the Fourth Proportional to 2,631.06, 3,946.60 and 1,654.74

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Solution

The fourth proportional to 2,631.06, 3,946.60 and 1,654.74 is: 2,482.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.06 : 3,946.60 = 1,654.74 : x
  2. Step 2: Convert to fraction form
    2,631.06/3,946.60 = 1,654.74/x
  3. Step 3: Cross multiply
    2,631.06x = 3,946.60 × 1,654.74
  4. Step 4: Simplify right side
    2,631.06x = 6,530,596.88
  5. Step 5: Solve for x
    x = 6,530,596.88/2,631.06
  6. Step 6: Final answer
    x = 2,482.12

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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.