Home / 2,675.36-3,691.26-1,836.28

Finding the Fourth Proportional to 2,675.36, 3,691.26 and 1,836.28

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Solution

The fourth proportional to 2,675.36, 3,691.26 and 1,836.28 is: 2,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.36 : 3,691.26 = 1,836.28 : x
  2. Step 2: Convert to fraction form
    2,675.36/3,691.26 = 1,836.28/x
  3. Step 3: Cross multiply
    2,675.36x = 3,691.26 × 1,836.28
  4. Step 4: Simplify right side
    2,675.36x = 6,778,168.46
  5. Step 5: Solve for x
    x = 6,778,168.46/2,675.36
  6. Step 6: Final answer
    x = 2,533.55

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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.