Home / 3,689.36-5,091.37-2,095.95

Finding the Fourth Proportional to 3,689.36, 5,091.37 and 2,095.95

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Solution

The fourth proportional to 3,689.36, 5,091.37 and 2,095.95 is: 2,892.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.36 : 5,091.37 = 2,095.95 : x
  2. Step 2: Convert to fraction form
    3,689.36/5,091.37 = 2,095.95/x
  3. Step 3: Cross multiply
    3,689.36x = 5,091.37 × 2,095.95
  4. Step 4: Simplify right side
    3,689.36x = 10,671,256.95
  5. Step 5: Solve for x
    x = 10,671,256.95/3,689.36
  6. Step 6: Final answer
    x = 2,892.44

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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.