Home / 1,619.84-2,232.96-1,269.92

Finding the Fourth Proportional to 1,619.84, 2,232.96 and 1,269.92

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Solution

The fourth proportional to 1,619.84, 2,232.96 and 1,269.92 is: 1,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.84 : 2,232.96 = 1,269.92 : x
  2. Step 2: Convert to fraction form
    1,619.84/2,232.96 = 1,269.92/x
  3. Step 3: Cross multiply
    1,619.84x = 2,232.96 × 1,269.92
  4. Step 4: Simplify right side
    1,619.84x = 2,835,680.56
  5. Step 5: Solve for x
    x = 2,835,680.56/1,619.84
  6. Step 6: Final answer
    x = 1,750.59

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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.