Home / 3,435.73-5,154.06-1,679.55

Finding the Fourth Proportional to 3,435.73, 5,154.06 and 1,679.55

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Solution

The fourth proportional to 3,435.73, 5,154.06 and 1,679.55 is: 2,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.73 : 5,154.06 = 1,679.55 : x
  2. Step 2: Convert to fraction form
    3,435.73/5,154.06 = 1,679.55/x
  3. Step 3: Cross multiply
    3,435.73x = 5,154.06 × 1,679.55
  4. Step 4: Simplify right side
    3,435.73x = 8,656,501.47
  5. Step 5: Solve for x
    x = 8,656,501.47/3,435.73
  6. Step 6: Final answer
    x = 2,519.55

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1.5x scale

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.