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Finding the Fourth Proportional to 1,937.91, 2,907.98 and 1,159.82

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Solution

The fourth proportional to 1,937.91, 2,907.98 and 1,159.82 is: 1,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.91 : 2,907.98 = 1,159.82 : x
  2. Step 2: Convert to fraction form
    1,937.91/2,907.98 = 1,159.82/x
  3. Step 3: Cross multiply
    1,937.91x = 2,907.98 × 1,159.82
  4. Step 4: Simplify right side
    1,937.91x = 3,372,733.36
  5. Step 5: Solve for x
    x = 3,372,733.36/1,937.91
  6. Step 6: Final answer
    x = 1,740.40

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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.