Home / 1,635.04-2,256.35-936.41

Finding the Fourth Proportional to 1,635.04, 2,256.35 and 936.41

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Solution

The fourth proportional to 1,635.04, 2,256.35 and 936.41 is: 1,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.04 : 2,256.35 = 936.41 : x
  2. Step 2: Convert to fraction form
    1,635.04/2,256.35 = 936.41/x
  3. Step 3: Cross multiply
    1,635.04x = 2,256.35 × 936.41
  4. Step 4: Simplify right side
    1,635.04x = 2,112,868.70
  5. Step 5: Solve for x
    x = 2,112,868.70/1,635.04
  6. Step 6: Final answer
    x = 1,292.25

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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.