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Finding the Fourth Proportional to 3,084.89, 4,627.51 and 893.57

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Solution

The fourth proportional to 3,084.89, 4,627.51 and 893.57 is: 1,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.89 : 4,627.51 = 893.57 : x
  2. Step 2: Convert to fraction form
    3,084.89/4,627.51 = 893.57/x
  3. Step 3: Cross multiply
    3,084.89x = 4,627.51 × 893.57
  4. Step 4: Simplify right side
    3,084.89x = 4,134,978.74
  5. Step 5: Solve for x
    x = 4,134,978.74/3,084.89
  6. Step 6: Final answer
    x = 1,340.40

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1.5x scale

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.