Home / 1,300.19-1,949.37-650.47

Finding the Fourth Proportional to 1,300.19, 1,949.37 and 650.47

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Solution

The fourth proportional to 1,300.19, 1,949.37 and 650.47 is: 975.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300.19 : 1,949.37 = 650.47 : x
  2. Step 2: Convert to fraction form
    1,300.19/1,949.37 = 650.47/x
  3. Step 3: Cross multiply
    1,300.19x = 1,949.37 × 650.47
  4. Step 4: Simplify right side
    1,300.19x = 1,268,006.70
  5. Step 5: Solve for x
    x = 1,268,006.70/1,300.19
  6. Step 6: Final answer
    x = 975.25

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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.