Home / 1,608.02-2,213.45-1,400.66

Finding the Fourth Proportional to 1,608.02, 2,213.45 and 1,400.66

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Solution

The fourth proportional to 1,608.02, 2,213.45 and 1,400.66 is: 1,928.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608.02 : 2,213.45 = 1,400.66 : x
  2. Step 2: Convert to fraction form
    1,608.02/2,213.45 = 1,400.66/x
  3. Step 3: Cross multiply
    1,608.02x = 2,213.45 × 1,400.66
  4. Step 4: Simplify right side
    1,608.02x = 3,100,290.88
  5. Step 5: Solve for x
    x = 3,100,290.88/1,608.02
  6. Step 6: Final answer
    x = 1,928.02

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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.