Home / 2,844.12-3,924.84-1,585.14

Finding the Fourth Proportional to 2,844.12, 3,924.84 and 1,585.14

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Solution

The fourth proportional to 2,844.12, 3,924.84 and 1,585.14 is: 2,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.12 : 3,924.84 = 1,585.14 : x
  2. Step 2: Convert to fraction form
    2,844.12/3,924.84 = 1,585.14/x
  3. Step 3: Cross multiply
    2,844.12x = 3,924.84 × 1,585.14
  4. Step 4: Simplify right side
    2,844.12x = 6,221,420.88
  5. Step 5: Solve for x
    x = 6,221,420.88/2,844.12
  6. Step 6: Final answer
    x = 2,187.47

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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.