Home / 1,805.96-2,490.67-1,176.25

Finding the Fourth Proportional to 1,805.96, 2,490.67 and 1,176.25

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Solution

The fourth proportional to 1,805.96, 2,490.67 and 1,176.25 is: 1,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.96 : 2,490.67 = 1,176.25 : x
  2. Step 2: Convert to fraction form
    1,805.96/2,490.67 = 1,176.25/x
  3. Step 3: Cross multiply
    1,805.96x = 2,490.67 × 1,176.25
  4. Step 4: Simplify right side
    1,805.96x = 2,929,644.71
  5. Step 5: Solve for x
    x = 2,929,644.71/1,805.96
  6. Step 6: Final answer
    x = 1,622.21

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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.