Home / 3,361.02-5,042.55-1,718.72

Finding the Fourth Proportional to 3,361.02, 5,042.55 and 1,718.72

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Solution

The fourth proportional to 3,361.02, 5,042.55 and 1,718.72 is: 2,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.02 : 5,042.55 = 1,718.72 : x
  2. Step 2: Convert to fraction form
    3,361.02/5,042.55 = 1,718.72/x
  3. Step 3: Cross multiply
    3,361.02x = 5,042.55 × 1,718.72
  4. Step 4: Simplify right side
    3,361.02x = 8,666,731.54
  5. Step 5: Solve for x
    x = 8,666,731.54/3,361.02
  6. Step 6: Final answer
    x = 2,578.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.