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Finding the Fourth Proportional to 1,730.06, 2,600.16 and 1,439.48

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Solution

The fourth proportional to 1,730.06, 2,600.16 and 1,439.48 is: 2,163.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.06 : 2,600.16 = 1,439.48 : x
  2. Step 2: Convert to fraction form
    1,730.06/2,600.16 = 1,439.48/x
  3. Step 3: Cross multiply
    1,730.06x = 2,600.16 × 1,439.48
  4. Step 4: Simplify right side
    1,730.06x = 3,742,858.12
  5. Step 5: Solve for x
    x = 3,742,858.12/1,730.06
  6. Step 6: Final answer
    x = 2,163.43

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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.