Home / 3,235.40-4,851.66-926.36

Finding the Fourth Proportional to 3,235.40, 4,851.66 and 926.36

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Solution

The fourth proportional to 3,235.40, 4,851.66 and 926.36 is: 1,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.40 : 4,851.66 = 926.36 : x
  2. Step 2: Convert to fraction form
    3,235.40/4,851.66 = 926.36/x
  3. Step 3: Cross multiply
    3,235.40x = 4,851.66 × 926.36
  4. Step 4: Simplify right side
    3,235.40x = 4,494,383.76
  5. Step 5: Solve for x
    x = 4,494,383.76/3,235.40
  6. Step 6: Final answer
    x = 1,389.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.