Home / 3,143.60-4,708.98-1,495.16

Finding the Fourth Proportional to 3,143.60, 4,708.98 and 1,495.16

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Solution

The fourth proportional to 3,143.60, 4,708.98 and 1,495.16 is: 2,239.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.60 : 4,708.98 = 1,495.16 : x
  2. Step 2: Convert to fraction form
    3,143.60/4,708.98 = 1,495.16/x
  3. Step 3: Cross multiply
    3,143.60x = 4,708.98 × 1,495.16
  4. Step 4: Simplify right side
    3,143.60x = 7,040,678.54
  5. Step 5: Solve for x
    x = 7,040,678.54/3,143.60
  6. Step 6: Final answer
    x = 2,239.69

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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.