Home / 3,210.64-4,816.49-1,018.87

Finding the Fourth Proportional to 3,210.64, 4,816.49 and 1,018.87

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Solution

The fourth proportional to 3,210.64, 4,816.49 and 1,018.87 is: 1,528.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.64 : 4,816.49 = 1,018.87 : x
  2. Step 2: Convert to fraction form
    3,210.64/4,816.49 = 1,018.87/x
  3. Step 3: Cross multiply
    3,210.64x = 4,816.49 × 1,018.87
  4. Step 4: Simplify right side
    3,210.64x = 4,907,360.03
  5. Step 5: Solve for x
    x = 4,907,360.03/3,210.64
  6. Step 6: Final answer
    x = 1,528.47

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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.