Home / 2,841.36-3,920.08-1,662.32

Finding the Fourth Proportional to 2,841.36, 3,920.08 and 1,662.32

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Solution

The fourth proportional to 2,841.36, 3,920.08 and 1,662.32 is: 2,293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.36 : 3,920.08 = 1,662.32 : x
  2. Step 2: Convert to fraction form
    2,841.36/3,920.08 = 1,662.32/x
  3. Step 3: Cross multiply
    2,841.36x = 3,920.08 × 1,662.32
  4. Step 4: Simplify right side
    2,841.36x = 6,516,427.39
  5. Step 5: Solve for x
    x = 6,516,427.39/2,841.36
  6. Step 6: Final answer
    x = 2,293.42

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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.