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Finding the Fourth Proportional to 3,333.30, 4,999.95 and 2,685.30

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Solution

The fourth proportional to 3,333.30, 4,999.95 and 2,685.30 is: 4,027.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.30 : 4,999.95 = 2,685.30 : x
  2. Step 2: Convert to fraction form
    3,333.30/4,999.95 = 2,685.30/x
  3. Step 3: Cross multiply
    3,333.30x = 4,999.95 × 2,685.30
  4. Step 4: Simplify right side
    3,333.30x = 13,426,365.74
  5. Step 5: Solve for x
    x = 13,426,365.74/3,333.30
  6. Step 6: Final answer
    x = 4,027.95

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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.