Home / 2,956.30-4,079.82-1,697.71

Finding the Fourth Proportional to 2,956.30, 4,079.82 and 1,697.71

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Solution

The fourth proportional to 2,956.30, 4,079.82 and 1,697.71 is: 2,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.30 : 4,079.82 = 1,697.71 : x
  2. Step 2: Convert to fraction form
    2,956.30/4,079.82 = 1,697.71/x
  3. Step 3: Cross multiply
    2,956.30x = 4,079.82 × 1,697.71
  4. Step 4: Simplify right side
    2,956.30x = 6,926,345.48
  5. Step 5: Solve for x
    x = 6,926,345.48/2,956.30
  6. Step 6: Final answer
    x = 2,342.91

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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.