Home / 1,953.27-2,929.89-1,299.39

Finding the Fourth Proportional to 1,953.27, 2,929.89 and 1,299.39

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Solution

The fourth proportional to 1,953.27, 2,929.89 and 1,299.39 is: 1,949.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.27 : 2,929.89 = 1,299.39 : x
  2. Step 2: Convert to fraction form
    1,953.27/2,929.89 = 1,299.39/x
  3. Step 3: Cross multiply
    1,953.27x = 2,929.89 × 1,299.39
  4. Step 4: Simplify right side
    1,953.27x = 3,807,069.77
  5. Step 5: Solve for x
    x = 3,807,069.77/1,953.27
  6. Step 6: Final answer
    x = 1,949.08

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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.