Home / 3,155.16-4,733.48-1,207.36

Finding the Fourth Proportional to 3,155.16, 4,733.48 and 1,207.36

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Solution

The fourth proportional to 3,155.16, 4,733.48 and 1,207.36 is: 1,811.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.16 : 4,733.48 = 1,207.36 : x
  2. Step 2: Convert to fraction form
    3,155.16/4,733.48 = 1,207.36/x
  3. Step 3: Cross multiply
    3,155.16x = 4,733.48 × 1,207.36
  4. Step 4: Simplify right side
    3,155.16x = 5,715,014.41
  5. Step 5: Solve for x
    x = 5,715,014.41/3,155.16
  6. Step 6: Final answer
    x = 1,811.32

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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.