Home / 3,190.07-4,785.53-999.02

Finding the Fourth Proportional to 3,190.07, 4,785.53 and 999.02

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Solution

The fourth proportional to 3,190.07, 4,785.53 and 999.02 is: 1,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.07 : 4,785.53 = 999.02 : x
  2. Step 2: Convert to fraction form
    3,190.07/4,785.53 = 999.02/x
  3. Step 3: Cross multiply
    3,190.07x = 4,785.53 × 999.02
  4. Step 4: Simplify right side
    3,190.07x = 4,780,840.18
  5. Step 5: Solve for x
    x = 4,780,840.18/3,190.07
  6. Step 6: Final answer
    x = 1,498.66

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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.