Home / 2,708.19-4,064.99-1,929.06

Finding the Fourth Proportional to 2,708.19, 4,064.99 and 1,929.06

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Solution

The fourth proportional to 2,708.19, 4,064.99 and 1,929.06 is: 2,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.19 : 4,064.99 = 1,929.06 : x
  2. Step 2: Convert to fraction form
    2,708.19/4,064.99 = 1,929.06/x
  3. Step 3: Cross multiply
    2,708.19x = 4,064.99 × 1,929.06
  4. Step 4: Simplify right side
    2,708.19x = 7,841,599.96
  5. Step 5: Solve for x
    x = 7,841,599.96/2,708.19
  6. Step 6: Final answer
    x = 2,895.51

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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.