Home / 1,259.10-1,887.36-1,227.48

Finding the Fourth Proportional to 1,259.10, 1,887.36 and 1,227.48

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Solution

The fourth proportional to 1,259.10, 1,887.36 and 1,227.48 is: 1,839.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259.10 : 1,887.36 = 1,227.48 : x
  2. Step 2: Convert to fraction form
    1,259.10/1,887.36 = 1,227.48/x
  3. Step 3: Cross multiply
    1,259.10x = 1,887.36 × 1,227.48
  4. Step 4: Simplify right side
    1,259.10x = 2,316,696.65
  5. Step 5: Solve for x
    x = 2,316,696.65/1,259.10
  6. Step 6: Final answer
    x = 1,839.96

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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.