Home / 1,601.44-2,412.88-1,329.84

Finding the Fourth Proportional to 1,601.44, 2,412.88 and 1,329.84

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Solution

The fourth proportional to 1,601.44, 2,412.88 and 1,329.84 is: 2,003.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.44 : 2,412.88 = 1,329.84 : x
  2. Step 2: Convert to fraction form
    1,601.44/2,412.88 = 1,329.84/x
  3. Step 3: Cross multiply
    1,601.44x = 2,412.88 × 1,329.84
  4. Step 4: Simplify right side
    1,601.44x = 3,208,744.34
  5. Step 5: Solve for x
    x = 3,208,744.34/1,601.44
  6. Step 6: Final answer
    x = 2,003.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.