Home / 1,350.94-2,026.32-485.28

Finding the Fourth Proportional to 1,350.94, 2,026.32 and 485.28

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Solution

The fourth proportional to 1,350.94, 2,026.32 and 485.28 is: 727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.94 : 2,026.32 = 485.28 : x
  2. Step 2: Convert to fraction form
    1,350.94/2,026.32 = 485.28/x
  3. Step 3: Cross multiply
    1,350.94x = 2,026.32 × 485.28
  4. Step 4: Simplify right side
    1,350.94x = 983,332.57
  5. Step 5: Solve for x
    x = 983,332.57/1,350.94
  6. Step 6: Final answer
    x = 727.89

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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.