Home / 1,550.14-2,137.72-1,018.08

Finding the Fourth Proportional to 1,550.14, 2,137.72 and 1,018.08

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Solution

The fourth proportional to 1,550.14, 2,137.72 and 1,018.08 is: 1,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.14 : 2,137.72 = 1,018.08 : x
  2. Step 2: Convert to fraction form
    1,550.14/2,137.72 = 1,018.08/x
  3. Step 3: Cross multiply
    1,550.14x = 2,137.72 × 1,018.08
  4. Step 4: Simplify right side
    1,550.14x = 2,176,369.98
  5. Step 5: Solve for x
    x = 2,176,369.98/1,550.14
  6. Step 6: Final answer
    x = 1,403.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.