Home / 3,437.19-5,157.81-3,158.28

Finding the Fourth Proportional to 3,437.19, 5,157.81 and 3,158.28

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Solution

The fourth proportional to 3,437.19, 5,157.81 and 3,158.28 is: 4,739.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.19 : 5,157.81 = 3,158.28 : x
  2. Step 2: Convert to fraction form
    3,437.19/5,157.81 = 3,158.28/x
  3. Step 3: Cross multiply
    3,437.19x = 5,157.81 × 3,158.28
  4. Step 4: Simplify right side
    3,437.19x = 16,289,808.17
  5. Step 5: Solve for x
    x = 16,289,808.17/3,437.19
  6. Step 6: Final answer
    x = 4,739.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.