Home / 2,947.24-4,067.06-1,602.80

Finding the Fourth Proportional to 2,947.24, 4,067.06 and 1,602.80

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Solution

The fourth proportional to 2,947.24, 4,067.06 and 1,602.80 is: 2,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.24 : 4,067.06 = 1,602.80 : x
  2. Step 2: Convert to fraction form
    2,947.24/4,067.06 = 1,602.80/x
  3. Step 3: Cross multiply
    2,947.24x = 4,067.06 × 1,602.80
  4. Step 4: Simplify right side
    2,947.24x = 6,518,683.77
  5. Step 5: Solve for x
    x = 6,518,683.77/2,947.24
  6. Step 6: Final answer
    x = 2,211.79

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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.