Home / 3,152.36-4,729.15-1,396.69

Finding the Fourth Proportional to 3,152.36, 4,729.15 and 1,396.69

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Solution

The fourth proportional to 3,152.36, 4,729.15 and 1,396.69 is: 2,095.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.36 : 4,729.15 = 1,396.69 : x
  2. Step 2: Convert to fraction form
    3,152.36/4,729.15 = 1,396.69/x
  3. Step 3: Cross multiply
    3,152.36x = 4,729.15 × 1,396.69
  4. Step 4: Simplify right side
    3,152.36x = 6,605,156.51
  5. Step 5: Solve for x
    x = 6,605,156.51/3,152.36
  6. Step 6: Final answer
    x = 2,095.31

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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.