Home / 1,647.09-2,272.73-1,017.77

Finding the Fourth Proportional to 1,647.09, 2,272.73 and 1,017.77

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Solution

The fourth proportional to 1,647.09, 2,272.73 and 1,017.77 is: 1,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.09 : 2,272.73 = 1,017.77 : x
  2. Step 2: Convert to fraction form
    1,647.09/2,272.73 = 1,017.77/x
  3. Step 3: Cross multiply
    1,647.09x = 2,272.73 × 1,017.77
  4. Step 4: Simplify right side
    1,647.09x = 2,313,099.96
  5. Step 5: Solve for x
    x = 2,313,099.96/1,647.09
  6. Step 6: Final answer
    x = 1,404.36

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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.