Home / 1,889.24-2,838.74-1,709.44

Finding the Fourth Proportional to 1,889.24, 2,838.74 and 1,709.44

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Solution

The fourth proportional to 1,889.24, 2,838.74 and 1,709.44 is: 2,568.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.24 : 2,838.74 = 1,709.44 : x
  2. Step 2: Convert to fraction form
    1,889.24/2,838.74 = 1,709.44/x
  3. Step 3: Cross multiply
    1,889.24x = 2,838.74 × 1,709.44
  4. Step 4: Simplify right side
    1,889.24x = 4,852,655.71
  5. Step 5: Solve for x
    x = 4,852,655.71/1,889.24
  6. Step 6: Final answer
    x = 2,568.58

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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.