Home / 1,647.22-2,273.17-901.19

Finding the Fourth Proportional to 1,647.22, 2,273.17 and 901.19

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Solution

The fourth proportional to 1,647.22, 2,273.17 and 901.19 is: 1,243.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.22 : 2,273.17 = 901.19 : x
  2. Step 2: Convert to fraction form
    1,647.22/2,273.17 = 901.19/x
  3. Step 3: Cross multiply
    1,647.22x = 2,273.17 × 901.19
  4. Step 4: Simplify right side
    1,647.22x = 2,048,546.71
  5. Step 5: Solve for x
    x = 2,048,546.71/1,647.22
  6. Step 6: Final answer
    x = 1,243.64

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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.