Home / 1,851.82-2,556.02-1,106.28

Finding the Fourth Proportional to 1,851.82, 2,556.02 and 1,106.28

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Solution

The fourth proportional to 1,851.82, 2,556.02 and 1,106.28 is: 1,526.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.82 : 2,556.02 = 1,106.28 : x
  2. Step 2: Convert to fraction form
    1,851.82/2,556.02 = 1,106.28/x
  3. Step 3: Cross multiply
    1,851.82x = 2,556.02 × 1,106.28
  4. Step 4: Simplify right side
    1,851.82x = 2,827,673.81
  5. Step 5: Solve for x
    x = 2,827,673.81/1,851.82
  6. Step 6: Final answer
    x = 1,526.97

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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.