Home / 1,899.16-2,622.44-1,192.18

Finding the Fourth Proportional to 1,899.16, 2,622.44 and 1,192.18

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Solution

The fourth proportional to 1,899.16, 2,622.44 and 1,192.18 is: 1,646.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.16 : 2,622.44 = 1,192.18 : x
  2. Step 2: Convert to fraction form
    1,899.16/2,622.44 = 1,192.18/x
  3. Step 3: Cross multiply
    1,899.16x = 2,622.44 × 1,192.18
  4. Step 4: Simplify right side
    1,899.16x = 3,126,420.52
  5. Step 5: Solve for x
    x = 3,126,420.52/1,899.16
  6. Step 6: Final answer
    x = 1,646.21

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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.