Home / 2,763.84-3,814.44-1,585.08

Finding the Fourth Proportional to 2,763.84, 3,814.44 and 1,585.08

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Solution

The fourth proportional to 2,763.84, 3,814.44 and 1,585.08 is: 2,187.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.84 : 3,814.44 = 1,585.08 : x
  2. Step 2: Convert to fraction form
    2,763.84/3,814.44 = 1,585.08/x
  3. Step 3: Cross multiply
    2,763.84x = 3,814.44 × 1,585.08
  4. Step 4: Simplify right side
    2,763.84x = 6,046,192.56
  5. Step 5: Solve for x
    x = 6,046,192.56/2,763.84
  6. Step 6: Final answer
    x = 2,187.61

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1.5x scale

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.