Home / 3,081.19-4,615.67-1,435.47

Finding the Fourth Proportional to 3,081.19, 4,615.67 and 1,435.47

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Solution

The fourth proportional to 3,081.19, 4,615.67 and 1,435.47 is: 2,150.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.19 : 4,615.67 = 1,435.47 : x
  2. Step 2: Convert to fraction form
    3,081.19/4,615.67 = 1,435.47/x
  3. Step 3: Cross multiply
    3,081.19x = 4,615.67 × 1,435.47
  4. Step 4: Simplify right side
    3,081.19x = 6,625,659.40
  5. Step 5: Solve for x
    x = 6,625,659.40/3,081.19
  6. Step 6: Final answer
    x = 2,150.36

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1.5x scale

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.