Home / 2,635.49-3,634.67-1,894.34

Finding the Fourth Proportional to 2,635.49, 3,634.67 and 1,894.34

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Solution

The fourth proportional to 2,635.49, 3,634.67 and 1,894.34 is: 2,612.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.49 : 3,634.67 = 1,894.34 : x
  2. Step 2: Convert to fraction form
    2,635.49/3,634.67 = 1,894.34/x
  3. Step 3: Cross multiply
    2,635.49x = 3,634.67 × 1,894.34
  4. Step 4: Simplify right side
    2,635.49x = 6,885,294.15
  5. Step 5: Solve for x
    x = 6,885,294.15/2,635.49
  6. Step 6: Final answer
    x = 2,612.53

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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.