Home / 1,974.04-2,721.16-1,624.12

Finding the Fourth Proportional to 1,974.04, 2,721.16 and 1,624.12

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Solution

The fourth proportional to 1,974.04, 2,721.16 and 1,624.12 is: 2,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.04 : 2,721.16 = 1,624.12 : x
  2. Step 2: Convert to fraction form
    1,974.04/2,721.16 = 1,624.12/x
  3. Step 3: Cross multiply
    1,974.04x = 2,721.16 × 1,624.12
  4. Step 4: Simplify right side
    1,974.04x = 4,419,490.38
  5. Step 5: Solve for x
    x = 4,419,490.38/1,974.04
  6. Step 6: Final answer
    x = 2,238.80

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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.