Home / 3,515.74-4,851.29-1,943.73

Finding the Fourth Proportional to 3,515.74, 4,851.29 and 1,943.73

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Solution

The fourth proportional to 3,515.74, 4,851.29 and 1,943.73 is: 2,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.74 : 4,851.29 = 1,943.73 : x
  2. Step 2: Convert to fraction form
    3,515.74/4,851.29 = 1,943.73/x
  3. Step 3: Cross multiply
    3,515.74x = 4,851.29 × 1,943.73
  4. Step 4: Simplify right side
    3,515.74x = 9,429,602.77
  5. Step 5: Solve for x
    x = 9,429,602.77/3,515.74
  6. Step 6: Final answer
    x = 2,682.11

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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.