Home / 1,539.46-2,309.37-1,019.44

Finding the Fourth Proportional to 1,539.46, 2,309.37 and 1,019.44

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Solution

The fourth proportional to 1,539.46, 2,309.37 and 1,019.44 is: 1,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539.46 : 2,309.37 = 1,019.44 : x
  2. Step 2: Convert to fraction form
    1,539.46/2,309.37 = 1,019.44/x
  3. Step 3: Cross multiply
    1,539.46x = 2,309.37 × 1,019.44
  4. Step 4: Simplify right side
    1,539.46x = 2,354,264.15
  5. Step 5: Solve for x
    x = 2,354,264.15/1,539.46
  6. Step 6: Final answer
    x = 1,529.28

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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.