Home / 2,272.51-3,127.93-1,608.20

Finding the Fourth Proportional to 2,272.51, 3,127.93 and 1,608.20

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Solution

The fourth proportional to 2,272.51, 3,127.93 and 1,608.20 is: 2,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.51 : 3,127.93 = 1,608.20 : x
  2. Step 2: Convert to fraction form
    2,272.51/3,127.93 = 1,608.20/x
  3. Step 3: Cross multiply
    2,272.51x = 3,127.93 × 1,608.20
  4. Step 4: Simplify right side
    2,272.51x = 5,030,328.99
  5. Step 5: Solve for x
    x = 5,030,328.99/2,272.51
  6. Step 6: Final answer
    x = 2,213.56

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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.