Home / 3,902.46-5,386.95-2,330.25

Finding the Fourth Proportional to 3,902.46, 5,386.95 and 2,330.25

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Solution

The fourth proportional to 3,902.46, 5,386.95 and 2,330.25 is: 3,216.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.46 : 5,386.95 = 2,330.25 : x
  2. Step 2: Convert to fraction form
    3,902.46/5,386.95 = 2,330.25/x
  3. Step 3: Cross multiply
    3,902.46x = 5,386.95 × 2,330.25
  4. Step 4: Simplify right side
    3,902.46x = 12,552,940.24
  5. Step 5: Solve for x
    x = 12,552,940.24/3,902.46
  6. Step 6: Final answer
    x = 3,216.67

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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.