Home / 2,946.23-4,065.30-1,952.85

Finding the Fourth Proportional to 2,946.23, 4,065.30 and 1,952.85

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Solution

The fourth proportional to 2,946.23, 4,065.30 and 1,952.85 is: 2,694.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.23 : 4,065.30 = 1,952.85 : x
  2. Step 2: Convert to fraction form
    2,946.23/4,065.30 = 1,952.85/x
  3. Step 3: Cross multiply
    2,946.23x = 4,065.30 × 1,952.85
  4. Step 4: Simplify right side
    2,946.23x = 7,938,921.11
  5. Step 5: Solve for x
    x = 7,938,921.11/2,946.23
  6. Step 6: Final answer
    x = 2,694.61

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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.