Home / 2,764.08-3,814.04-1,585.20

Finding the Fourth Proportional to 2,764.08, 3,814.04 and 1,585.20

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Solution

The fourth proportional to 2,764.08, 3,814.04 and 1,585.20 is: 2,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.08 : 3,814.04 = 1,585.20 : x
  2. Step 2: Convert to fraction form
    2,764.08/3,814.04 = 1,585.20/x
  3. Step 3: Cross multiply
    2,764.08x = 3,814.04 × 1,585.20
  4. Step 4: Simplify right side
    2,764.08x = 6,046,016.21
  5. Step 5: Solve for x
    x = 6,046,016.21/2,764.08
  6. Step 6: Final answer
    x = 2,187.35

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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.