Home / 1,350.70-2,026.05-426.33

Finding the Fourth Proportional to 1,350.70, 2,026.05 and 426.33

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Solution

The fourth proportional to 1,350.70, 2,026.05 and 426.33 is: 639.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.70 : 2,026.05 = 426.33 : x
  2. Step 2: Convert to fraction form
    1,350.70/2,026.05 = 426.33/x
  3. Step 3: Cross multiply
    1,350.70x = 2,026.05 × 426.33
  4. Step 4: Simplify right side
    1,350.70x = 863,763.36
  5. Step 5: Solve for x
    x = 863,763.36/1,350.70
  6. Step 6: Final answer
    x = 639.49

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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.