Home / 3,560.73-4,913.51-2,145.45

Finding the Fourth Proportional to 3,560.73, 4,913.51 and 2,145.45

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Solution

The fourth proportional to 3,560.73, 4,913.51 and 2,145.45 is: 2,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.73 : 4,913.51 = 2,145.45 : x
  2. Step 2: Convert to fraction form
    3,560.73/4,913.51 = 2,145.45/x
  3. Step 3: Cross multiply
    3,560.73x = 4,913.51 × 2,145.45
  4. Step 4: Simplify right side
    3,560.73x = 10,541,709.80
  5. Step 5: Solve for x
    x = 10,541,709.80/3,560.73
  6. Step 6: Final answer
    x = 2,960.55

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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.