Home / 2,946.95-4,067.12-1,768.31

Finding the Fourth Proportional to 2,946.95, 4,067.12 and 1,768.31

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Solution

The fourth proportional to 2,946.95, 4,067.12 and 1,768.31 is: 2,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.95 : 4,067.12 = 1,768.31 : x
  2. Step 2: Convert to fraction form
    2,946.95/4,067.12 = 1,768.31/x
  3. Step 3: Cross multiply
    2,946.95x = 4,067.12 × 1,768.31
  4. Step 4: Simplify right side
    2,946.95x = 7,191,928.97
  5. Step 5: Solve for x
    x = 7,191,928.97/2,946.95
  6. Step 6: Final answer
    x = 2,440.47

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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.