Home / 3,072.67-4,240.21-1,746.20

Finding the Fourth Proportional to 3,072.67, 4,240.21 and 1,746.20

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Solution

The fourth proportional to 3,072.67, 4,240.21 and 1,746.20 is: 2,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.67 : 4,240.21 = 1,746.20 : x
  2. Step 2: Convert to fraction form
    3,072.67/4,240.21 = 1,746.20/x
  3. Step 3: Cross multiply
    3,072.67x = 4,240.21 × 1,746.20
  4. Step 4: Simplify right side
    3,072.67x = 7,404,254.70
  5. Step 5: Solve for x
    x = 7,404,254.70/3,072.67
  6. Step 6: Final answer
    x = 2,409.71

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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.