Home / 2,956.39-4,079.76-1,612.01

Finding the Fourth Proportional to 2,956.39, 4,079.76 and 1,612.01

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Solution

The fourth proportional to 2,956.39, 4,079.76 and 1,612.01 is: 2,224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.39 : 4,079.76 = 1,612.01 : x
  2. Step 2: Convert to fraction form
    2,956.39/4,079.76 = 1,612.01/x
  3. Step 3: Cross multiply
    2,956.39x = 4,079.76 × 1,612.01
  4. Step 4: Simplify right side
    2,956.39x = 6,576,613.92
  5. Step 5: Solve for x
    x = 6,576,613.92/2,956.39
  6. Step 6: Final answer
    x = 2,224.54

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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.