Home / 2,942.24-4,060.53-1,949.45

Finding the Fourth Proportional to 2,942.24, 4,060.53 and 1,949.45

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Solution

The fourth proportional to 2,942.24, 4,060.53 and 1,949.45 is: 2,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.24 : 4,060.53 = 1,949.45 : x
  2. Step 2: Convert to fraction form
    2,942.24/4,060.53 = 1,949.45/x
  3. Step 3: Cross multiply
    2,942.24x = 4,060.53 × 1,949.45
  4. Step 4: Simplify right side
    2,942.24x = 7,915,779.91
  5. Step 5: Solve for x
    x = 7,915,779.91/2,942.24
  6. Step 6: Final answer
    x = 2,690.40

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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.