Home / 3,067.79-4,600.71-1,312.76

Finding the Fourth Proportional to 3,067.79, 4,600.71 and 1,312.76

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Solution

The fourth proportional to 3,067.79, 4,600.71 and 1,312.76 is: 1,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.79 : 4,600.71 = 1,312.76 : x
  2. Step 2: Convert to fraction form
    3,067.79/4,600.71 = 1,312.76/x
  3. Step 3: Cross multiply
    3,067.79x = 4,600.71 × 1,312.76
  4. Step 4: Simplify right side
    3,067.79x = 6,039,628.06
  5. Step 5: Solve for x
    x = 6,039,628.06/3,067.79
  6. Step 6: Final answer
    x = 1,968.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.