Home / 2,942.19-4,404.51-1,900.17

Finding the Fourth Proportional to 2,942.19, 4,404.51 and 1,900.17

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Solution

The fourth proportional to 2,942.19, 4,404.51 and 1,900.17 is: 2,844.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.19 : 4,404.51 = 1,900.17 : x
  2. Step 2: Convert to fraction form
    2,942.19/4,404.51 = 1,900.17/x
  3. Step 3: Cross multiply
    2,942.19x = 4,404.51 × 1,900.17
  4. Step 4: Simplify right side
    2,942.19x = 8,369,317.77
  5. Step 5: Solve for x
    x = 8,369,317.77/2,942.19
  6. Step 6: Final answer
    x = 2,844.59

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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.