Home / 3,432.46-5,145.65-1,676.50

Finding the Fourth Proportional to 3,432.46, 5,145.65 and 1,676.50

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Solution

The fourth proportional to 3,432.46, 5,145.65 and 1,676.50 is: 2,513.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.46 : 5,145.65 = 1,676.50 : x
  2. Step 2: Convert to fraction form
    3,432.46/5,145.65 = 1,676.50/x
  3. Step 3: Cross multiply
    3,432.46x = 5,145.65 × 1,676.50
  4. Step 4: Simplify right side
    3,432.46x = 8,626,673.84
  5. Step 5: Solve for x
    x = 8,626,673.84/3,432.46
  6. Step 6: Final answer
    x = 2,513.26

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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.