Home / 3,438.59-5,158.35-1,246.73

Finding the Fourth Proportional to 3,438.59, 5,158.35 and 1,246.73

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Solution

The fourth proportional to 3,438.59, 5,158.35 and 1,246.73 is: 1,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.59 : 5,158.35 = 1,246.73 : x
  2. Step 2: Convert to fraction form
    3,438.59/5,158.35 = 1,246.73/x
  3. Step 3: Cross multiply
    3,438.59x = 5,158.35 × 1,246.73
  4. Step 4: Simplify right side
    3,438.59x = 6,431,043.90
  5. Step 5: Solve for x
    x = 6,431,043.90/3,438.59
  6. Step 6: Final answer
    x = 1,870.26

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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.