Home / 1,404.93-2,105.65-1,231.93

Finding the Fourth Proportional to 1,404.93, 2,105.65 and 1,231.93

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Solution

The fourth proportional to 1,404.93, 2,105.65 and 1,231.93 is: 1,846.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404.93 : 2,105.65 = 1,231.93 : x
  2. Step 2: Convert to fraction form
    1,404.93/2,105.65 = 1,231.93/x
  3. Step 3: Cross multiply
    1,404.93x = 2,105.65 × 1,231.93
  4. Step 4: Simplify right side
    1,404.93x = 2,594,013.40
  5. Step 5: Solve for x
    x = 2,594,013.40/1,404.93
  6. Step 6: Final answer
    x = 1,846.36

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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.