Home / 2,481.71-3,424.70-1,362.65

Finding the Fourth Proportional to 2,481.71, 3,424.70 and 1,362.65

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Solution

The fourth proportional to 2,481.71, 3,424.70 and 1,362.65 is: 1,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.71 : 3,424.70 = 1,362.65 : x
  2. Step 2: Convert to fraction form
    2,481.71/3,424.70 = 1,362.65/x
  3. Step 3: Cross multiply
    2,481.71x = 3,424.70 × 1,362.65
  4. Step 4: Simplify right side
    2,481.71x = 4,666,643.52
  5. Step 5: Solve for x
    x = 4,666,643.52/2,481.71
  6. Step 6: Final answer
    x = 1,880.42

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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.