Home / 3,521.16-5,283.77-1,329.30

Finding the Fourth Proportional to 3,521.16, 5,283.77 and 1,329.30

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Solution

The fourth proportional to 3,521.16, 5,283.77 and 1,329.30 is: 1,994.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.16 : 5,283.77 = 1,329.30 : x
  2. Step 2: Convert to fraction form
    3,521.16/5,283.77 = 1,329.30/x
  3. Step 3: Cross multiply
    3,521.16x = 5,283.77 × 1,329.30
  4. Step 4: Simplify right side
    3,521.16x = 7,023,708.81
  5. Step 5: Solve for x
    x = 7,023,708.81/3,521.16
  6. Step 6: Final answer
    x = 1,994.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.