Home / 3,487.63-5,226.25-1,928.08

Finding the Fourth Proportional to 3,487.63, 5,226.25 and 1,928.08

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Solution

The fourth proportional to 3,487.63, 5,226.25 and 1,928.08 is: 2,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.63 : 5,226.25 = 1,928.08 : x
  2. Step 2: Convert to fraction form
    3,487.63/5,226.25 = 1,928.08/x
  3. Step 3: Cross multiply
    3,487.63x = 5,226.25 × 1,928.08
  4. Step 4: Simplify right side
    3,487.63x = 10,076,628.10
  5. Step 5: Solve for x
    x = 10,076,628.10/3,487.63
  6. Step 6: Final answer
    x = 2,889.25

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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.