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Finding the Fourth Proportional to 2,999.55, 4,497.37 and 1,439.51

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Solution

The fourth proportional to 2,999.55, 4,497.37 and 1,439.51 is: 2,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.55 : 4,497.37 = 1,439.51 : x
  2. Step 2: Convert to fraction form
    2,999.55/4,497.37 = 1,439.51/x
  3. Step 3: Cross multiply
    2,999.55x = 4,497.37 × 1,439.51
  4. Step 4: Simplify right side
    2,999.55x = 6,474,009.09
  5. Step 5: Solve for x
    x = 6,474,009.09/2,999.55
  6. Step 6: Final answer
    x = 2,158.33

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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.