Home / 2,436.95-3,362.64-1,388.99

Finding the Fourth Proportional to 2,436.95, 3,362.64 and 1,388.99

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Solution

The fourth proportional to 2,436.95, 3,362.64 and 1,388.99 is: 1,916.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.95 : 3,362.64 = 1,388.99 : x
  2. Step 2: Convert to fraction form
    2,436.95/3,362.64 = 1,388.99/x
  3. Step 3: Cross multiply
    2,436.95x = 3,362.64 × 1,388.99
  4. Step 4: Simplify right side
    2,436.95x = 4,670,673.33
  5. Step 5: Solve for x
    x = 4,670,673.33/2,436.95
  6. Step 6: Final answer
    x = 1,916.61

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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.