Home / 1,605.08-2,214.41-1,007.33

Finding the Fourth Proportional to 1,605.08, 2,214.41 and 1,007.33

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Solution

The fourth proportional to 1,605.08, 2,214.41 and 1,007.33 is: 1,389.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605.08 : 2,214.41 = 1,007.33 : x
  2. Step 2: Convert to fraction form
    1,605.08/2,214.41 = 1,007.33/x
  3. Step 3: Cross multiply
    1,605.08x = 2,214.41 × 1,007.33
  4. Step 4: Simplify right side
    1,605.08x = 2,230,625.52
  5. Step 5: Solve for x
    x = 2,230,625.52/1,605.08
  6. Step 6: Final answer
    x = 1,389.73

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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.