Home / 2,711.26-3,740.47-1,768.15

Finding the Fourth Proportional to 2,711.26, 3,740.47 and 1,768.15

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Solution

The fourth proportional to 2,711.26, 3,740.47 and 1,768.15 is: 2,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.26 : 3,740.47 = 1,768.15 : x
  2. Step 2: Convert to fraction form
    2,711.26/3,740.47 = 1,768.15/x
  3. Step 3: Cross multiply
    2,711.26x = 3,740.47 × 1,768.15
  4. Step 4: Simplify right side
    2,711.26x = 6,613,712.03
  5. Step 5: Solve for x
    x = 6,613,712.03/2,711.26
  6. Step 6: Final answer
    x = 2,439.35

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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.