Home / 2,946.45-4,422.24-1,560.78

Finding the Fourth Proportional to 2,946.45, 4,422.24 and 1,560.78

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Solution

The fourth proportional to 2,946.45, 4,422.24 and 1,560.78 is: 2,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.45 : 4,422.24 = 1,560.78 : x
  2. Step 2: Convert to fraction form
    2,946.45/4,422.24 = 1,560.78/x
  3. Step 3: Cross multiply
    2,946.45x = 4,422.24 × 1,560.78
  4. Step 4: Simplify right side
    2,946.45x = 6,902,143.75
  5. Step 5: Solve for x
    x = 6,902,143.75/2,946.45
  6. Step 6: Final answer
    x = 2,342.53

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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.