Home / 2,654.67-3,977.55-1,728.84

Finding the Fourth Proportional to 2,654.67, 3,977.55 and 1,728.84

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Solution

The fourth proportional to 2,654.67, 3,977.55 and 1,728.84 is: 2,590.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.67 : 3,977.55 = 1,728.84 : x
  2. Step 2: Convert to fraction form
    2,654.67/3,977.55 = 1,728.84/x
  3. Step 3: Cross multiply
    2,654.67x = 3,977.55 × 1,728.84
  4. Step 4: Simplify right side
    2,654.67x = 6,876,547.54
  5. Step 5: Solve for x
    x = 6,876,547.54/2,654.67
  6. Step 6: Final answer
    x = 2,590.36

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1.5x scale

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.