Home / 1,644.13-2,268.94-1,015.07

Finding the Fourth Proportional to 1,644.13, 2,268.94 and 1,015.07

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Solution

The fourth proportional to 1,644.13, 2,268.94 and 1,015.07 is: 1,400.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.13 : 2,268.94 = 1,015.07 : x
  2. Step 2: Convert to fraction form
    1,644.13/2,268.94 = 1,015.07/x
  3. Step 3: Cross multiply
    1,644.13x = 2,268.94 × 1,015.07
  4. Step 4: Simplify right side
    1,644.13x = 2,303,132.93
  5. Step 5: Solve for x
    x = 2,303,132.93/1,644.13
  6. Step 6: Final answer
    x = 1,400.82

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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.