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Finding the Fourth Proportional to 2,763.65, 3,814.01 and 1,585.10

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Solution

The fourth proportional to 2,763.65, 3,814.01 and 1,585.10 is: 2,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.65 : 3,814.01 = 1,585.10 : x
  2. Step 2: Convert to fraction form
    2,763.65/3,814.01 = 1,585.10/x
  3. Step 3: Cross multiply
    2,763.65x = 3,814.01 × 1,585.10
  4. Step 4: Simplify right side
    2,763.65x = 6,045,596.79
  5. Step 5: Solve for x
    x = 6,045,596.79/2,763.65
  6. Step 6: Final answer
    x = 2,187.54

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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.