Home / 2,956.71-4,080.20-1,777.35

Finding the Fourth Proportional to 2,956.71, 4,080.20 and 1,777.35

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Solution

The fourth proportional to 2,956.71, 4,080.20 and 1,777.35 is: 2,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.71 : 4,080.20 = 1,777.35 : x
  2. Step 2: Convert to fraction form
    2,956.71/4,080.20 = 1,777.35/x
  3. Step 3: Cross multiply
    2,956.71x = 4,080.20 × 1,777.35
  4. Step 4: Simplify right side
    2,956.71x = 7,251,934.58
  5. Step 5: Solve for x
    x = 7,251,934.58/2,956.71
  6. Step 6: Final answer
    x = 2,452.70

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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.