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Finding the Fourth Proportional to 2,897.33, 4,000.92 and 1,851.22

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Solution

The fourth proportional to 2,897.33, 4,000.92 and 1,851.22 is: 2,556.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.33 : 4,000.92 = 1,851.22 : x
  2. Step 2: Convert to fraction form
    2,897.33/4,000.92 = 1,851.22/x
  3. Step 3: Cross multiply
    2,897.33x = 4,000.92 × 1,851.22
  4. Step 4: Simplify right side
    2,897.33x = 7,406,563.12
  5. Step 5: Solve for x
    x = 7,406,563.12/2,897.33
  6. Step 6: Final answer
    x = 2,556.34

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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.