Home / 2,436.16-3,362.16-1,388.32

Finding the Fourth Proportional to 2,436.16, 3,362.16 and 1,388.32

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Solution

The fourth proportional to 2,436.16, 3,362.16 and 1,388.32 is: 1,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.16 : 3,362.16 = 1,388.32 : x
  2. Step 2: Convert to fraction form
    2,436.16/3,362.16 = 1,388.32/x
  3. Step 3: Cross multiply
    2,436.16x = 3,362.16 × 1,388.32
  4. Step 4: Simplify right side
    2,436.16x = 4,667,753.97
  5. Step 5: Solve for x
    x = 4,667,753.97/2,436.16
  6. Step 6: Final answer
    x = 1,916.03

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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.