Home / 2,306.42-3,181.66-1,560.64

Finding the Fourth Proportional to 2,306.42, 3,181.66 and 1,560.64

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Solution

The fourth proportional to 2,306.42, 3,181.66 and 1,560.64 is: 2,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.42 : 3,181.66 = 1,560.64 : x
  2. Step 2: Convert to fraction form
    2,306.42/3,181.66 = 1,560.64/x
  3. Step 3: Cross multiply
    2,306.42x = 3,181.66 × 1,560.64
  4. Step 4: Simplify right side
    2,306.42x = 4,965,425.86
  5. Step 5: Solve for x
    x = 4,965,425.86/2,306.42
  6. Step 6: Final answer
    x = 2,152.87

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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.