Home / 1,887.65-2,833.53-1,159.11

Finding the Fourth Proportional to 1,887.65, 2,833.53 and 1,159.11

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Solution

The fourth proportional to 1,887.65, 2,833.53 and 1,159.11 is: 1,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.65 : 2,833.53 = 1,159.11 : x
  2. Step 2: Convert to fraction form
    1,887.65/2,833.53 = 1,159.11/x
  3. Step 3: Cross multiply
    1,887.65x = 2,833.53 × 1,159.11
  4. Step 4: Simplify right side
    1,887.65x = 3,284,375.13
  5. Step 5: Solve for x
    x = 3,284,375.13/1,887.65
  6. Step 6: Final answer
    x = 1,739.92

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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.