Home / 3,137.08-4,707.06-1,406.20

Finding the Fourth Proportional to 3,137.08, 4,707.06 and 1,406.20

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Solution

The fourth proportional to 3,137.08, 4,707.06 and 1,406.20 is: 2,109.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.08 : 4,707.06 = 1,406.20 : x
  2. Step 2: Convert to fraction form
    3,137.08/4,707.06 = 1,406.20/x
  3. Step 3: Cross multiply
    3,137.08x = 4,707.06 × 1,406.20
  4. Step 4: Simplify right side
    3,137.08x = 6,619,067.77
  5. Step 5: Solve for x
    x = 6,619,067.77/3,137.08
  6. Step 6: Final answer
    x = 2,109.95

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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.