Home / 3,515.63-4,851.62-1,943.72

Finding the Fourth Proportional to 3,515.63, 4,851.62 and 1,943.72

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Solution

The fourth proportional to 3,515.63, 4,851.62 and 1,943.72 is: 2,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.63 : 4,851.62 = 1,943.72 : x
  2. Step 2: Convert to fraction form
    3,515.63/4,851.62 = 1,943.72/x
  3. Step 3: Cross multiply
    3,515.63x = 4,851.62 × 1,943.72
  4. Step 4: Simplify right side
    3,515.63x = 9,430,182.33
  5. Step 5: Solve for x
    x = 9,430,182.33/3,515.63
  6. Step 6: Final answer
    x = 2,682.36

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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.