Home / 2,710.44-3,740.31-1,515.42

Finding the Fourth Proportional to 2,710.44, 3,740.31 and 1,515.42

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Solution

The fourth proportional to 2,710.44, 3,740.31 and 1,515.42 is: 2,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.44 : 3,740.31 = 1,515.42 : x
  2. Step 2: Convert to fraction form
    2,710.44/3,740.31 = 1,515.42/x
  3. Step 3: Cross multiply
    2,710.44x = 3,740.31 × 1,515.42
  4. Step 4: Simplify right side
    2,710.44x = 5,668,140.58
  5. Step 5: Solve for x
    x = 5,668,140.58/2,710.44
  6. Step 6: Final answer
    x = 2,091.23

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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.