Home / 3,218.51-4,826.55-1,370.50

Finding the Fourth Proportional to 3,218.51, 4,826.55 and 1,370.50

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Solution

The fourth proportional to 3,218.51, 4,826.55 and 1,370.50 is: 2,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.51 : 4,826.55 = 1,370.50 : x
  2. Step 2: Convert to fraction form
    3,218.51/4,826.55 = 1,370.50/x
  3. Step 3: Cross multiply
    3,218.51x = 4,826.55 × 1,370.50
  4. Step 4: Simplify right side
    3,218.51x = 6,614,786.78
  5. Step 5: Solve for x
    x = 6,614,786.78/3,218.51
  6. Step 6: Final answer
    x = 2,055.23

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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.