Home / 3,225.65-4,811.68-3,117.67

Finding the Fourth Proportional to 3,225.65, 4,811.68 and 3,117.67

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Solution

The fourth proportional to 3,225.65, 4,811.68 and 3,117.67 is: 4,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.65 : 4,811.68 = 3,117.67 : x
  2. Step 2: Convert to fraction form
    3,225.65/4,811.68 = 3,117.67/x
  3. Step 3: Cross multiply
    3,225.65x = 4,811.68 × 3,117.67
  4. Step 4: Simplify right side
    3,225.65x = 15,001,206.33
  5. Step 5: Solve for x
    x = 15,001,206.33/3,225.65
  6. Step 6: Final answer
    x = 4,650.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.