Home / 3,451.64-4,763.46-2,126.76

Finding the Fourth Proportional to 3,451.64, 4,763.46 and 2,126.76

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Solution

The fourth proportional to 3,451.64, 4,763.46 and 2,126.76 is: 2,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.64 : 4,763.46 = 2,126.76 : x
  2. Step 2: Convert to fraction form
    3,451.64/4,763.46 = 2,126.76/x
  3. Step 3: Cross multiply
    3,451.64x = 4,763.46 × 2,126.76
  4. Step 4: Simplify right side
    3,451.64x = 10,130,736.19
  5. Step 5: Solve for x
    x = 10,130,736.19/3,451.64
  6. Step 6: Final answer
    x = 2,935.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.