Home / 2,765.19-3,815.93-1,586.45

Finding the Fourth Proportional to 2,765.19, 3,815.93 and 1,586.45

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Solution

The fourth proportional to 2,765.19, 3,815.93 and 1,586.45 is: 2,189.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.19 : 3,815.93 = 1,586.45 : x
  2. Step 2: Convert to fraction form
    2,765.19/3,815.93 = 1,586.45/x
  3. Step 3: Cross multiply
    2,765.19x = 3,815.93 × 1,586.45
  4. Step 4: Simplify right side
    2,765.19x = 6,053,767.03
  5. Step 5: Solve for x
    x = 6,053,767.03/2,765.19
  6. Step 6: Final answer
    x = 2,189.28

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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.