Home / 2,654.02-3,660.90-1,906.79

Finding the Fourth Proportional to 2,654.02, 3,660.90 and 1,906.79

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Solution

The fourth proportional to 2,654.02, 3,660.90 and 1,906.79 is: 2,630.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.02 : 3,660.90 = 1,906.79 : x
  2. Step 2: Convert to fraction form
    2,654.02/3,660.90 = 1,906.79/x
  3. Step 3: Cross multiply
    2,654.02x = 3,660.90 × 1,906.79
  4. Step 4: Simplify right side
    2,654.02x = 6,980,557.98
  5. Step 5: Solve for x
    x = 6,980,557.98/2,654.02
  6. Step 6: Final answer
    x = 2,630.19

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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.