Home / 2,391.39-3,587.09-1,094.31

Finding the Fourth Proportional to 2,391.39, 3,587.09 and 1,094.31

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Solution

The fourth proportional to 2,391.39, 3,587.09 and 1,094.31 is: 1,641.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.39 : 3,587.09 = 1,094.31 : x
  2. Step 2: Convert to fraction form
    2,391.39/3,587.09 = 1,094.31/x
  3. Step 3: Cross multiply
    2,391.39x = 3,587.09 × 1,094.31
  4. Step 4: Simplify right side
    2,391.39x = 3,925,382.99
  5. Step 5: Solve for x
    x = 3,925,382.99/2,391.39
  6. Step 6: Final answer
    x = 1,641.47

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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.