Home / 3,157.42-4,736.88-1,426.02

Finding the Fourth Proportional to 3,157.42, 4,736.88 and 1,426.02

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Solution

The fourth proportional to 3,157.42, 4,736.88 and 1,426.02 is: 2,139.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.42 : 4,736.88 = 1,426.02 : x
  2. Step 2: Convert to fraction form
    3,157.42/4,736.88 = 1,426.02/x
  3. Step 3: Cross multiply
    3,157.42x = 4,736.88 × 1,426.02
  4. Step 4: Simplify right side
    3,157.42x = 6,754,885.62
  5. Step 5: Solve for x
    x = 6,754,885.62/3,157.42
  6. Step 6: Final answer
    x = 2,139.37

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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.