Home / 3,389.94-5,085.72-1,746.36

Finding the Fourth Proportional to 3,389.94, 5,085.72 and 1,746.36

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Solution

The fourth proportional to 3,389.94, 5,085.72 and 1,746.36 is: 2,619.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.94 : 5,085.72 = 1,746.36 : x
  2. Step 2: Convert to fraction form
    3,389.94/5,085.72 = 1,746.36/x
  3. Step 3: Cross multiply
    3,389.94x = 5,085.72 × 1,746.36
  4. Step 4: Simplify right side
    3,389.94x = 8,881,497.98
  5. Step 5: Solve for x
    x = 8,881,497.98/3,389.94
  6. Step 6: Final answer
    x = 2,619.96

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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.