Home / 3,434.45-5,154.26-1,355.00

Finding the Fourth Proportional to 3,434.45, 5,154.26 and 1,355.00

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Solution

The fourth proportional to 3,434.45, 5,154.26 and 1,355.00 is: 2,033.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.45 : 5,154.26 = 1,355.00 : x
  2. Step 2: Convert to fraction form
    3,434.45/5,154.26 = 1,355.00/x
  3. Step 3: Cross multiply
    3,434.45x = 5,154.26 × 1,355.00
  4. Step 4: Simplify right side
    3,434.45x = 6,983,989.75
  5. Step 5: Solve for x
    x = 6,983,989.75/3,434.45
  6. Step 6: Final answer
    x = 2,033.51

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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.