Home / 1,350.36-2,022.70-620.56

Finding the Fourth Proportional to 1,350.36, 2,022.70 and 620.56

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Solution

The fourth proportional to 1,350.36, 2,022.70 and 620.56 is: 929.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.36 : 2,022.70 = 620.56 : x
  2. Step 2: Convert to fraction form
    1,350.36/2,022.70 = 620.56/x
  3. Step 3: Cross multiply
    1,350.36x = 2,022.70 × 620.56
  4. Step 4: Simplify right side
    1,350.36x = 1,255,206.71
  5. Step 5: Solve for x
    x = 1,255,206.71/1,350.36
  6. Step 6: Final answer
    x = 929.53

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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.