Home / 2,304.70-3,181.55-1,421.02

Finding the Fourth Proportional to 2,304.70, 3,181.55 and 1,421.02

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Solution

The fourth proportional to 2,304.70, 3,181.55 and 1,421.02 is: 1,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.70 : 3,181.55 = 1,421.02 : x
  2. Step 2: Convert to fraction form
    2,304.70/3,181.55 = 1,421.02/x
  3. Step 3: Cross multiply
    2,304.70x = 3,181.55 × 1,421.02
  4. Step 4: Simplify right side
    2,304.70x = 4,521,046.09
  5. Step 5: Solve for x
    x = 4,521,046.09/2,304.70
  6. Step 6: Final answer
    x = 1,961.66

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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.