Home / 1,180.48-1,625.37-1,003.09

Finding the Fourth Proportional to 1,180.48, 1,625.37 and 1,003.09

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Solution

The fourth proportional to 1,180.48, 1,625.37 and 1,003.09 is: 1,381.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.48 : 1,625.37 = 1,003.09 : x
  2. Step 2: Convert to fraction form
    1,180.48/1,625.37 = 1,003.09/x
  3. Step 3: Cross multiply
    1,180.48x = 1,625.37 × 1,003.09
  4. Step 4: Simplify right side
    1,180.48x = 1,630,392.39
  5. Step 5: Solve for x
    x = 1,630,392.39/1,180.48
  6. Step 6: Final answer
    x = 1,381.13

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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.