Home / 1,937.42-2,674.59-1,319.66

Finding the Fourth Proportional to 1,937.42, 2,674.59 and 1,319.66

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Solution

The fourth proportional to 1,937.42, 2,674.59 and 1,319.66 is: 1,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.42 : 2,674.59 = 1,319.66 : x
  2. Step 2: Convert to fraction form
    1,937.42/2,674.59 = 1,319.66/x
  3. Step 3: Cross multiply
    1,937.42x = 2,674.59 × 1,319.66
  4. Step 4: Simplify right side
    1,937.42x = 3,529,549.44
  5. Step 5: Solve for x
    x = 3,529,549.44/1,937.42
  6. Step 6: Final answer
    x = 1,821.78

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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.