Home / 2,958.34-4,437.56-1,399.45

Finding the Fourth Proportional to 2,958.34, 4,437.56 and 1,399.45

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Solution

The fourth proportional to 2,958.34, 4,437.56 and 1,399.45 is: 2,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.34 : 4,437.56 = 1,399.45 : x
  2. Step 2: Convert to fraction form
    2,958.34/4,437.56 = 1,399.45/x
  3. Step 3: Cross multiply
    2,958.34x = 4,437.56 × 1,399.45
  4. Step 4: Simplify right side
    2,958.34x = 6,210,143.34
  5. Step 5: Solve for x
    x = 6,210,143.34/2,958.34
  6. Step 6: Final answer
    x = 2,099.20

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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.