Home / 2,256.46-3,118.37-1,928.41

Finding the Fourth Proportional to 2,256.46, 3,118.37 and 1,928.41

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Solution

The fourth proportional to 2,256.46, 3,118.37 and 1,928.41 is: 2,665.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.46 : 3,118.37 = 1,928.41 : x
  2. Step 2: Convert to fraction form
    2,256.46/3,118.37 = 1,928.41/x
  3. Step 3: Cross multiply
    2,256.46x = 3,118.37 × 1,928.41
  4. Step 4: Simplify right side
    2,256.46x = 6,013,478.45
  5. Step 5: Solve for x
    x = 6,013,478.45/2,256.46
  6. Step 6: Final answer
    x = 2,665.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.