Home / 1,974.63-2,725.01-1,377.99

Finding the Fourth Proportional to 1,974.63, 2,725.01 and 1,377.99

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Solution

The fourth proportional to 1,974.63, 2,725.01 and 1,377.99 is: 1,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.63 : 2,725.01 = 1,377.99 : x
  2. Step 2: Convert to fraction form
    1,974.63/2,725.01 = 1,377.99/x
  3. Step 3: Cross multiply
    1,974.63x = 2,725.01 × 1,377.99
  4. Step 4: Simplify right side
    1,974.63x = 3,755,036.53
  5. Step 5: Solve for x
    x = 3,755,036.53/1,974.63
  6. Step 6: Final answer
    x = 1,901.64

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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.