Home / 2,708.63-3,736.80-1,824.72

Finding the Fourth Proportional to 2,708.63, 3,736.80 and 1,824.72

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Solution

The fourth proportional to 2,708.63, 3,736.80 and 1,824.72 is: 2,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.63 : 3,736.80 = 1,824.72 : x
  2. Step 2: Convert to fraction form
    2,708.63/3,736.80 = 1,824.72/x
  3. Step 3: Cross multiply
    2,708.63x = 3,736.80 × 1,824.72
  4. Step 4: Simplify right side
    2,708.63x = 6,818,613.70
  5. Step 5: Solve for x
    x = 6,818,613.70/2,708.63
  6. Step 6: Final answer
    x = 2,517.36

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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.