Home / 2,992.14-4,490.10-1,143.45

Finding the Fourth Proportional to 2,992.14, 4,490.10 and 1,143.45

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Solution

The fourth proportional to 2,992.14, 4,490.10 and 1,143.45 is: 1,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.14 : 4,490.10 = 1,143.45 : x
  2. Step 2: Convert to fraction form
    2,992.14/4,490.10 = 1,143.45/x
  3. Step 3: Cross multiply
    2,992.14x = 4,490.10 × 1,143.45
  4. Step 4: Simplify right side
    2,992.14x = 5,134,204.85
  5. Step 5: Solve for x
    x = 5,134,204.85/2,992.14
  6. Step 6: Final answer
    x = 1,715.90

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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.