Home / 1,444.15-2,165.91-403.93

Finding the Fourth Proportional to 1,444.15, 2,165.91 and 403.93

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Solution

The fourth proportional to 1,444.15, 2,165.91 and 403.93 is: 605.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.15 : 2,165.91 = 403.93 : x
  2. Step 2: Convert to fraction form
    1,444.15/2,165.91 = 403.93/x
  3. Step 3: Cross multiply
    1,444.15x = 2,165.91 × 403.93
  4. Step 4: Simplify right side
    1,444.15x = 874,876.03
  5. Step 5: Solve for x
    x = 874,876.03/1,444.15
  6. Step 6: Final answer
    x = 605.81

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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.