Home / 3,689.27-5,090.74-2,095.35

Finding the Fourth Proportional to 3,689.27, 5,090.74 and 2,095.35

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Solution

The fourth proportional to 3,689.27, 5,090.74 and 2,095.35 is: 2,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.27 : 5,090.74 = 2,095.35 : x
  2. Step 2: Convert to fraction form
    3,689.27/5,090.74 = 2,095.35/x
  3. Step 3: Cross multiply
    3,689.27x = 5,090.74 × 2,095.35
  4. Step 4: Simplify right side
    3,689.27x = 10,666,846.13
  5. Step 5: Solve for x
    x = 10,666,846.13/3,689.27
  6. Step 6: Final answer
    x = 2,891.32

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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.