Home / 1,112.51-1,659.36-1,048.26

Finding the Fourth Proportional to 1,112.51, 1,659.36 and 1,048.26

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Solution

The fourth proportional to 1,112.51, 1,659.36 and 1,048.26 is: 1,563.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112.51 : 1,659.36 = 1,048.26 : x
  2. Step 2: Convert to fraction form
    1,112.51/1,659.36 = 1,048.26/x
  3. Step 3: Cross multiply
    1,112.51x = 1,659.36 × 1,048.26
  4. Step 4: Simplify right side
    1,112.51x = 1,739,446.94
  5. Step 5: Solve for x
    x = 1,739,446.94/1,112.51
  6. Step 6: Final answer
    x = 1,563.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.