Home / 3,426.84-5,137.74-1,695.06

Finding the Fourth Proportional to 3,426.84, 5,137.74 and 1,695.06

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Solution

The fourth proportional to 3,426.84, 5,137.74 and 1,695.06 is: 2,541.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.84 : 5,137.74 = 1,695.06 : x
  2. Step 2: Convert to fraction form
    3,426.84/5,137.74 = 1,695.06/x
  3. Step 3: Cross multiply
    3,426.84x = 5,137.74 × 1,695.06
  4. Step 4: Simplify right side
    3,426.84x = 8,708,777.56
  5. Step 5: Solve for x
    x = 8,708,777.56/3,426.84
  6. Step 6: Final answer
    x = 2,541.34

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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.