Home / 1,548.29-2,136.62-1,083.35

Finding the Fourth Proportional to 1,548.29, 2,136.62 and 1,083.35

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Solution

The fourth proportional to 1,548.29, 2,136.62 and 1,083.35 is: 1,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.29 : 2,136.62 = 1,083.35 : x
  2. Step 2: Convert to fraction form
    1,548.29/2,136.62 = 1,083.35/x
  3. Step 3: Cross multiply
    1,548.29x = 2,136.62 × 1,083.35
  4. Step 4: Simplify right side
    1,548.29x = 2,314,715.33
  5. Step 5: Solve for x
    x = 2,314,715.33/1,548.29
  6. Step 6: Final answer
    x = 1,495.01

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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.