Home / 3,180.15-4,770-1,232.19

Finding the Fourth Proportional to 3,180.15, 4,770 and 1,232.19

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Solution

The fourth proportional to 3,180.15, 4,770 and 1,232.19 is: 1,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.15 : 4,770 = 1,232.19 : x
  2. Step 2: Convert to fraction form
    3,180.15/4,770 = 1,232.19/x
  3. Step 3: Cross multiply
    3,180.15x = 4,770 × 1,232.19
  4. Step 4: Simplify right side
    3,180.15x = 5,877,546.30
  5. Step 5: Solve for x
    x = 5,877,546.30/3,180.15
  6. Step 6: Final answer
    x = 1,848.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.