Home / 3,146.75-4,720.83-1,038.52

Finding the Fourth Proportional to 3,146.75, 4,720.83 and 1,038.52

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Solution

The fourth proportional to 3,146.75, 4,720.83 and 1,038.52 is: 1,558.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.75 : 4,720.83 = 1,038.52 : x
  2. Step 2: Convert to fraction form
    3,146.75/4,720.83 = 1,038.52/x
  3. Step 3: Cross multiply
    3,146.75x = 4,720.83 × 1,038.52
  4. Step 4: Simplify right side
    3,146.75x = 4,902,684.22
  5. Step 5: Solve for x
    x = 4,902,684.22/3,146.75
  6. Step 6: Final answer
    x = 1,558.02

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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.