Home / 1,930.52-2,897.15-1,383.17

Finding the Fourth Proportional to 1,930.52, 2,897.15 and 1,383.17

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Solution

The fourth proportional to 1,930.52, 2,897.15 and 1,383.17 is: 2,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.52 : 2,897.15 = 1,383.17 : x
  2. Step 2: Convert to fraction form
    1,930.52/2,897.15 = 1,383.17/x
  3. Step 3: Cross multiply
    1,930.52x = 2,897.15 × 1,383.17
  4. Step 4: Simplify right side
    1,930.52x = 4,007,237.34
  5. Step 5: Solve for x
    x = 4,007,237.34/1,930.52
  6. Step 6: Final answer
    x = 2,075.73

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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.