Home / 1,349.96-1,865.66-1,018.26

Finding the Fourth Proportional to 1,349.96, 1,865.66 and 1,018.26

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Solution

The fourth proportional to 1,349.96, 1,865.66 and 1,018.26 is: 1,407.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.96 : 1,865.66 = 1,018.26 : x
  2. Step 2: Convert to fraction form
    1,349.96/1,865.66 = 1,018.26/x
  3. Step 3: Cross multiply
    1,349.96x = 1,865.66 × 1,018.26
  4. Step 4: Simplify right side
    1,349.96x = 1,899,721.86
  5. Step 5: Solve for x
    x = 1,899,721.86/1,349.96
  6. Step 6: Final answer
    x = 1,407.25

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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.