Home / 3,689.02-5,085.75-2,694.34

Finding the Fourth Proportional to 3,689.02, 5,085.75 and 2,694.34

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Solution

The fourth proportional to 3,689.02, 5,085.75 and 2,694.34 is: 3,714.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.02 : 5,085.75 = 2,694.34 : x
  2. Step 2: Convert to fraction form
    3,689.02/5,085.75 = 2,694.34/x
  3. Step 3: Cross multiply
    3,689.02x = 5,085.75 × 2,694.34
  4. Step 4: Simplify right side
    3,689.02x = 13,702,739.66
  5. Step 5: Solve for x
    x = 13,702,739.66/3,689.02
  6. Step 6: Final answer
    x = 3,714.47

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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.