Home / 2,707.11-3,735.23-1,557.03

Finding the Fourth Proportional to 2,707.11, 3,735.23 and 1,557.03

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Solution

The fourth proportional to 2,707.11, 3,735.23 and 1,557.03 is: 2,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.11 : 3,735.23 = 1,557.03 : x
  2. Step 2: Convert to fraction form
    2,707.11/3,735.23 = 1,557.03/x
  3. Step 3: Cross multiply
    2,707.11x = 3,735.23 × 1,557.03
  4. Step 4: Simplify right side
    2,707.11x = 5,815,857.38
  5. Step 5: Solve for x
    x = 5,815,857.38/2,707.11
  6. Step 6: Final answer
    x = 2,148.36

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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.