Home / 3,143.16-4,707.50-1,823.64

Finding the Fourth Proportional to 3,143.16, 4,707.50 and 1,823.64

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Solution

The fourth proportional to 3,143.16, 4,707.50 and 1,823.64 is: 2,731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.16 : 4,707.50 = 1,823.64 : x
  2. Step 2: Convert to fraction form
    3,143.16/4,707.50 = 1,823.64/x
  3. Step 3: Cross multiply
    3,143.16x = 4,707.50 × 1,823.64
  4. Step 4: Simplify right side
    3,143.16x = 8,584,785.30
  5. Step 5: Solve for x
    x = 8,584,785.30/3,143.16
  6. Step 6: Final answer
    x = 2,731.26

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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.