Home / 3,234.79-4,461.68-1,907.55

Finding the Fourth Proportional to 3,234.79, 4,461.68 and 1,907.55

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Solution

The fourth proportional to 3,234.79, 4,461.68 and 1,907.55 is: 2,631.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.79 : 4,461.68 = 1,907.55 : x
  2. Step 2: Convert to fraction form
    3,234.79/4,461.68 = 1,907.55/x
  3. Step 3: Cross multiply
    3,234.79x = 4,461.68 × 1,907.55
  4. Step 4: Simplify right side
    3,234.79x = 8,510,877.68
  5. Step 5: Solve for x
    x = 8,510,877.68/3,234.79
  6. Step 6: Final answer
    x = 2,631.04

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1.5x scale

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.