Home / 3,085.69-4,258.59-1,966.67

Finding the Fourth Proportional to 3,085.69, 4,258.59 and 1,966.67

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Solution

The fourth proportional to 3,085.69, 4,258.59 and 1,966.67 is: 2,714.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.69 : 4,258.59 = 1,966.67 : x
  2. Step 2: Convert to fraction form
    3,085.69/4,258.59 = 1,966.67/x
  3. Step 3: Cross multiply
    3,085.69x = 4,258.59 × 1,966.67
  4. Step 4: Simplify right side
    3,085.69x = 8,375,241.20
  5. Step 5: Solve for x
    x = 8,375,241.20/3,085.69
  6. Step 6: Final answer
    x = 2,714.22

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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.