Home / 3,084.35-4,627.56-1,440.00

Finding the Fourth Proportional to 3,084.35, 4,627.56 and 1,440.00

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Solution

The fourth proportional to 3,084.35, 4,627.56 and 1,440.00 is: 2,160.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.35 : 4,627.56 = 1,440.00 : x
  2. Step 2: Convert to fraction form
    3,084.35/4,627.56 = 1,440.00/x
  3. Step 3: Cross multiply
    3,084.35x = 4,627.56 × 1,440.00
  4. Step 4: Simplify right side
    3,084.35x = 6,663,692.66
  5. Step 5: Solve for x
    x = 6,663,692.66/3,084.35
  6. Step 6: Final answer
    x = 2,160.48

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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.