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Finding the Fourth Proportional to 3,999.24, 5,998.86 and 2,457

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Solution

The fourth proportional to 3,999.24, 5,998.86 and 2,457 is: 3,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.24 : 5,998.86 = 2,457 : x
  2. Step 2: Convert to fraction form
    3,999.24/5,998.86 = 2,457/x
  3. Step 3: Cross multiply
    3,999.24x = 5,998.86 × 2,457
  4. Step 4: Simplify right side
    3,999.24x = 14,739,199.02
  5. Step 5: Solve for x
    x = 14,739,199.02/3,999.24
  6. Step 6: Final answer
    x = 3,685.50

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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.