Home / 3,689.06-5,090.70-2,095.67

Finding the Fourth Proportional to 3,689.06, 5,090.70 and 2,095.67

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Solution

The fourth proportional to 3,689.06, 5,090.70 and 2,095.67 is: 2,891.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.06 : 5,090.70 = 2,095.67 : x
  2. Step 2: Convert to fraction form
    3,689.06/5,090.70 = 2,095.67/x
  3. Step 3: Cross multiply
    3,689.06x = 5,090.70 × 2,095.67
  4. Step 4: Simplify right side
    3,689.06x = 10,668,427.27
  5. Step 5: Solve for x
    x = 10,668,427.27/3,689.06
  6. Step 6: Final answer
    x = 2,891.91

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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.