Home / 1,616.30-2,230.94-944.69

Finding the Fourth Proportional to 1,616.30, 2,230.94 and 944.69

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Solution

The fourth proportional to 1,616.30, 2,230.94 and 944.69 is: 1,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.30 : 2,230.94 = 944.69 : x
  2. Step 2: Convert to fraction form
    1,616.30/2,230.94 = 944.69/x
  3. Step 3: Cross multiply
    1,616.30x = 2,230.94 × 944.69
  4. Step 4: Simplify right side
    1,616.30x = 2,107,544.19
  5. Step 5: Solve for x
    x = 2,107,544.19/1,616.30
  6. Step 6: Final answer
    x = 1,303.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.