Home / 1,661.06-2,501.48-1,447.22

Finding the Fourth Proportional to 1,661.06, 2,501.48 and 1,447.22

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Solution

The fourth proportional to 1,661.06, 2,501.48 and 1,447.22 is: 2,179.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661.06 : 2,501.48 = 1,447.22 : x
  2. Step 2: Convert to fraction form
    1,661.06/2,501.48 = 1,447.22/x
  3. Step 3: Cross multiply
    1,661.06x = 2,501.48 × 1,447.22
  4. Step 4: Simplify right side
    1,661.06x = 3,620,172.14
  5. Step 5: Solve for x
    x = 3,620,172.14/1,661.06
  6. Step 6: Final answer
    x = 2,179.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.