Home / 2,330.07-3,213.90-1,657.72

Finding the Fourth Proportional to 2,330.07, 3,213.90 and 1,657.72

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Solution

The fourth proportional to 2,330.07, 3,213.90 and 1,657.72 is: 2,286.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.07 : 3,213.90 = 1,657.72 : x
  2. Step 2: Convert to fraction form
    2,330.07/3,213.90 = 1,657.72/x
  3. Step 3: Cross multiply
    2,330.07x = 3,213.90 × 1,657.72
  4. Step 4: Simplify right side
    2,330.07x = 5,327,736.91
  5. Step 5: Solve for x
    x = 5,327,736.91/2,330.07
  6. Step 6: Final answer
    x = 2,286.52

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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.