Home / 1,974.02-2,721.18-1,624.10

Finding the Fourth Proportional to 1,974.02, 2,721.18 and 1,624.10

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Solution

The fourth proportional to 1,974.02, 2,721.18 and 1,624.10 is: 2,238.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.02 : 2,721.18 = 1,624.10 : x
  2. Step 2: Convert to fraction form
    1,974.02/2,721.18 = 1,624.10/x
  3. Step 3: Cross multiply
    1,974.02x = 2,721.18 × 1,624.10
  4. Step 4: Simplify right side
    1,974.02x = 4,419,468.44
  5. Step 5: Solve for x
    x = 4,419,468.44/1,974.02
  6. Step 6: Final answer
    x = 2,238.82

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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.