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Finding the Fourth Proportional to 2,756.69, 3,804.53 and 1,708.75

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Solution

The fourth proportional to 2,756.69, 3,804.53 and 1,708.75 is: 2,358.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.69 : 3,804.53 = 1,708.75 : x
  2. Step 2: Convert to fraction form
    2,756.69/3,804.53 = 1,708.75/x
  3. Step 3: Cross multiply
    2,756.69x = 3,804.53 × 1,708.75
  4. Step 4: Simplify right side
    2,756.69x = 6,500,990.64
  5. Step 5: Solve for x
    x = 6,500,990.64/2,756.69
  6. Step 6: Final answer
    x = 2,358.26

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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.