Home / 1,965.16-2,934.80-1,575.73

Finding the Fourth Proportional to 1,965.16, 2,934.80 and 1,575.73

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Solution

The fourth proportional to 1,965.16, 2,934.80 and 1,575.73 is: 2,353.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.16 : 2,934.80 = 1,575.73 : x
  2. Step 2: Convert to fraction form
    1,965.16/2,934.80 = 1,575.73/x
  3. Step 3: Cross multiply
    1,965.16x = 2,934.80 × 1,575.73
  4. Step 4: Simplify right side
    1,965.16x = 4,624,452.40
  5. Step 5: Solve for x
    x = 4,624,452.40/1,965.16
  6. Step 6: Final answer
    x = 2,353.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.