Home / 3,210.32-4,812.60-1,263.68

Finding the Fourth Proportional to 3,210.32, 4,812.60 and 1,263.68

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Solution

The fourth proportional to 3,210.32, 4,812.60 and 1,263.68 is: 1,894.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.32 : 4,812.60 = 1,263.68 : x
  2. Step 2: Convert to fraction form
    3,210.32/4,812.60 = 1,263.68/x
  3. Step 3: Cross multiply
    3,210.32x = 4,812.60 × 1,263.68
  4. Step 4: Simplify right side
    3,210.32x = 6,081,586.37
  5. Step 5: Solve for x
    x = 6,081,586.37/3,210.32
  6. Step 6: Final answer
    x = 1,894.39

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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.