Home / 3,135.06-4,703.40-1,379.16

Finding the Fourth Proportional to 3,135.06, 4,703.40 and 1,379.16

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Solution

The fourth proportional to 3,135.06, 4,703.40 and 1,379.16 is: 2,069.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.06 : 4,703.40 = 1,379.16 : x
  2. Step 2: Convert to fraction form
    3,135.06/4,703.40 = 1,379.16/x
  3. Step 3: Cross multiply
    3,135.06x = 4,703.40 × 1,379.16
  4. Step 4: Simplify right side
    3,135.06x = 6,486,741.14
  5. Step 5: Solve for x
    x = 6,486,741.14/3,135.06
  6. Step 6: Final answer
    x = 2,069.10

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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.