Home / 2,358.41-3,537.21-1,319.45

Finding the Fourth Proportional to 2,358.41, 3,537.21 and 1,319.45

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Solution

The fourth proportional to 2,358.41, 3,537.21 and 1,319.45 is: 1,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.41 : 3,537.21 = 1,319.45 : x
  2. Step 2: Convert to fraction form
    2,358.41/3,537.21 = 1,319.45/x
  3. Step 3: Cross multiply
    2,358.41x = 3,537.21 × 1,319.45
  4. Step 4: Simplify right side
    2,358.41x = 4,667,171.73
  5. Step 5: Solve for x
    x = 4,667,171.73/2,358.41
  6. Step 6: Final answer
    x = 1,978.95

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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.