Home / 1,929.46-2,889.06-1,536.82

Finding the Fourth Proportional to 1,929.46, 2,889.06 and 1,536.82

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Solution

The fourth proportional to 1,929.46, 2,889.06 and 1,536.82 is: 2,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.46 : 2,889.06 = 1,536.82 : x
  2. Step 2: Convert to fraction form
    1,929.46/2,889.06 = 1,536.82/x
  3. Step 3: Cross multiply
    1,929.46x = 2,889.06 × 1,536.82
  4. Step 4: Simplify right side
    1,929.46x = 4,439,976.02
  5. Step 5: Solve for x
    x = 4,439,976.02/1,929.46
  6. Step 6: Final answer
    x = 2,301.15

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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.