Home / 1,550.70-2,323.70-933.72

Finding the Fourth Proportional to 1,550.70, 2,323.70 and 933.72

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Solution

The fourth proportional to 1,550.70, 2,323.70 and 933.72 is: 1,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.70 : 2,323.70 = 933.72 : x
  2. Step 2: Convert to fraction form
    1,550.70/2,323.70 = 933.72/x
  3. Step 3: Cross multiply
    1,550.70x = 2,323.70 × 933.72
  4. Step 4: Simplify right side
    1,550.70x = 2,169,685.16
  5. Step 5: Solve for x
    x = 2,169,685.16/1,550.70
  6. Step 6: Final answer
    x = 1,399.16

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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.