Home / 3,118.70-4,684.55-2,632.70

Finding the Fourth Proportional to 3,118.70, 4,684.55 and 2,632.70

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Solution

The fourth proportional to 3,118.70, 4,684.55 and 2,632.70 is: 3,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.70 : 4,684.55 = 2,632.70 : x
  2. Step 2: Convert to fraction form
    3,118.70/4,684.55 = 2,632.70/x
  3. Step 3: Cross multiply
    3,118.70x = 4,684.55 × 2,632.70
  4. Step 4: Simplify right side
    3,118.70x = 12,333,014.79
  5. Step 5: Solve for x
    x = 12,333,014.79/3,118.70
  6. Step 6: Final answer
    x = 3,954.54

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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.