Home / 1,418.48-2,114.31-1,349.16

Finding the Fourth Proportional to 1,418.48, 2,114.31 and 1,349.16

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Solution

The fourth proportional to 1,418.48, 2,114.31 and 1,349.16 is: 2,010.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.48 : 2,114.31 = 1,349.16 : x
  2. Step 2: Convert to fraction form
    1,418.48/2,114.31 = 1,349.16/x
  3. Step 3: Cross multiply
    1,418.48x = 2,114.31 × 1,349.16
  4. Step 4: Simplify right side
    1,418.48x = 2,852,542.48
  5. Step 5: Solve for x
    x = 2,852,542.48/1,418.48
  6. Step 6: Final answer
    x = 2,010.99

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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.