Home / 1,039.51-1,550.23-1,025.56

Finding the Fourth Proportional to 1,039.51, 1,550.23 and 1,025.56

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Solution

The fourth proportional to 1,039.51, 1,550.23 and 1,025.56 is: 1,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039.51 : 1,550.23 = 1,025.56 : x
  2. Step 2: Convert to fraction form
    1,039.51/1,550.23 = 1,025.56/x
  3. Step 3: Cross multiply
    1,039.51x = 1,550.23 × 1,025.56
  4. Step 4: Simplify right side
    1,039.51x = 1,589,853.88
  5. Step 5: Solve for x
    x = 1,589,853.88/1,039.51
  6. Step 6: Final answer
    x = 1,529.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.