Home / 3,155.02-4,725.32-1,512.72

Finding the Fourth Proportional to 3,155.02, 4,725.32 and 1,512.72

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Solution

The fourth proportional to 3,155.02, 4,725.32 and 1,512.72 is: 2,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.02 : 4,725.32 = 1,512.72 : x
  2. Step 2: Convert to fraction form
    3,155.02/4,725.32 = 1,512.72/x
  3. Step 3: Cross multiply
    3,155.02x = 4,725.32 × 1,512.72
  4. Step 4: Simplify right side
    3,155.02x = 7,148,086.07
  5. Step 5: Solve for x
    x = 7,148,086.07/3,155.02
  6. Step 6: Final answer
    x = 2,265.62

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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.