Home / 3,165.16-4,739.10-2,126.76

Finding the Fourth Proportional to 3,165.16, 4,739.10 and 2,126.76

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Solution

The fourth proportional to 3,165.16, 4,739.10 and 2,126.76 is: 3,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.16 : 4,739.10 = 2,126.76 : x
  2. Step 2: Convert to fraction form
    3,165.16/4,739.10 = 2,126.76/x
  3. Step 3: Cross multiply
    3,165.16x = 4,739.10 × 2,126.76
  4. Step 4: Simplify right side
    3,165.16x = 10,078,928.32
  5. Step 5: Solve for x
    x = 10,078,928.32/3,165.16
  6. Step 6: Final answer
    x = 3,184.33

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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.