Home / 1,851.60-2,553.90-1,104.99

Finding the Fourth Proportional to 1,851.60, 2,553.90 and 1,104.99

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Solution

The fourth proportional to 1,851.60, 2,553.90 and 1,104.99 is: 1,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.60 : 2,553.90 = 1,104.99 : x
  2. Step 2: Convert to fraction form
    1,851.60/2,553.90 = 1,104.99/x
  3. Step 3: Cross multiply
    1,851.60x = 2,553.90 × 1,104.99
  4. Step 4: Simplify right side
    1,851.60x = 2,822,033.96
  5. Step 5: Solve for x
    x = 2,822,033.96/1,851.60
  6. Step 6: Final answer
    x = 1,524.11

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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.