Home / 2,122.36-2,923.32-1,523.98

Finding the Fourth Proportional to 2,122.36, 2,923.32 and 1,523.98

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Solution

The fourth proportional to 2,122.36, 2,923.32 and 1,523.98 is: 2,099.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.36 : 2,923.32 = 1,523.98 : x
  2. Step 2: Convert to fraction form
    2,122.36/2,923.32 = 1,523.98/x
  3. Step 3: Cross multiply
    2,122.36x = 2,923.32 × 1,523.98
  4. Step 4: Simplify right side
    2,122.36x = 4,455,081.21
  5. Step 5: Solve for x
    x = 4,455,081.21/2,122.36
  6. Step 6: Final answer
    x = 2,099.12

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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.