Home / 3,478.24-4,800.47-2,152.37

Finding the Fourth Proportional to 3,478.24, 4,800.47 and 2,152.37

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Solution

The fourth proportional to 3,478.24, 4,800.47 and 2,152.37 is: 2,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.24 : 4,800.47 = 2,152.37 : x
  2. Step 2: Convert to fraction form
    3,478.24/4,800.47 = 2,152.37/x
  3. Step 3: Cross multiply
    3,478.24x = 4,800.47 × 2,152.37
  4. Step 4: Simplify right side
    3,478.24x = 10,332,388.85
  5. Step 5: Solve for x
    x = 10,332,388.85/3,478.24
  6. Step 6: Final answer
    x = 2,970.58

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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.