Home / 3,346.95-5,020.98-1,238.70

Finding the Fourth Proportional to 3,346.95, 5,020.98 and 1,238.70

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Solution

The fourth proportional to 3,346.95, 5,020.98 and 1,238.70 is: 1,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.95 : 5,020.98 = 1,238.70 : x
  2. Step 2: Convert to fraction form
    3,346.95/5,020.98 = 1,238.70/x
  3. Step 3: Cross multiply
    3,346.95x = 5,020.98 × 1,238.70
  4. Step 4: Simplify right side
    3,346.95x = 6,219,487.93
  5. Step 5: Solve for x
    x = 6,219,487.93/3,346.95
  6. Step 6: Final answer
    x = 1,858.26

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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.