Home / 1,937.61-2,673.27-1,191.33

Finding the Fourth Proportional to 1,937.61, 2,673.27 and 1,191.33

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Solution

The fourth proportional to 1,937.61, 2,673.27 and 1,191.33 is: 1,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.61 : 2,673.27 = 1,191.33 : x
  2. Step 2: Convert to fraction form
    1,937.61/2,673.27 = 1,191.33/x
  3. Step 3: Cross multiply
    1,937.61x = 2,673.27 × 1,191.33
  4. Step 4: Simplify right side
    1,937.61x = 3,184,746.75
  5. Step 5: Solve for x
    x = 3,184,746.75/1,937.61
  6. Step 6: Final answer
    x = 1,643.65

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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.