Home / 2,974.05-4,457.07-1,122.98

Finding the Fourth Proportional to 2,974.05, 4,457.07 and 1,122.98

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Solution

The fourth proportional to 2,974.05, 4,457.07 and 1,122.98 is: 1,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.05 : 4,457.07 = 1,122.98 : x
  2. Step 2: Convert to fraction form
    2,974.05/4,457.07 = 1,122.98/x
  3. Step 3: Cross multiply
    2,974.05x = 4,457.07 × 1,122.98
  4. Step 4: Simplify right side
    2,974.05x = 5,005,178.18
  5. Step 5: Solve for x
    x = 5,005,178.18/2,974.05
  6. Step 6: Final answer
    x = 1,682.95

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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.