Home / 3,479.37-4,802.18-2,153.67

Finding the Fourth Proportional to 3,479.37, 4,802.18 and 2,153.67

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Solution

The fourth proportional to 3,479.37, 4,802.18 and 2,153.67 is: 2,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.37 : 4,802.18 = 2,153.67 : x
  2. Step 2: Convert to fraction form
    3,479.37/4,802.18 = 2,153.67/x
  3. Step 3: Cross multiply
    3,479.37x = 4,802.18 × 2,153.67
  4. Step 4: Simplify right side
    3,479.37x = 10,342,311.00
  5. Step 5: Solve for x
    x = 10,342,311.00/3,479.37
  6. Step 6: Final answer
    x = 2,972.47

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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.