Home / 3,235.20-4,852.80-926.70

Finding the Fourth Proportional to 3,235.20, 4,852.80 and 926.70

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Solution

The fourth proportional to 3,235.20, 4,852.80 and 926.70 is: 1,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.20 : 4,852.80 = 926.70 : x
  2. Step 2: Convert to fraction form
    3,235.20/4,852.80 = 926.70/x
  3. Step 3: Cross multiply
    3,235.20x = 4,852.80 × 926.70
  4. Step 4: Simplify right side
    3,235.20x = 4,497,089.76
  5. Step 5: Solve for x
    x = 4,497,089.76/3,235.20
  6. Step 6: Final answer
    x = 1,390.05

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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.