Home / 1,749.09-2,621.88-1,100.28

Finding the Fourth Proportional to 1,749.09, 2,621.88 and 1,100.28

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Solution

The fourth proportional to 1,749.09, 2,621.88 and 1,100.28 is: 1,649.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.09 : 2,621.88 = 1,100.28 : x
  2. Step 2: Convert to fraction form
    1,749.09/2,621.88 = 1,100.28/x
  3. Step 3: Cross multiply
    1,749.09x = 2,621.88 × 1,100.28
  4. Step 4: Simplify right side
    1,749.09x = 2,884,802.13
  5. Step 5: Solve for x
    x = 2,884,802.13/1,749.09
  6. Step 6: Final answer
    x = 1,649.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.