Home / 3,210.66-4,815.26-1,018.98

Finding the Fourth Proportional to 3,210.66, 4,815.26 and 1,018.98

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Solution

The fourth proportional to 3,210.66, 4,815.26 and 1,018.98 is: 1,528.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.66 : 4,815.26 = 1,018.98 : x
  2. Step 2: Convert to fraction form
    3,210.66/4,815.26 = 1,018.98/x
  3. Step 3: Cross multiply
    3,210.66x = 4,815.26 × 1,018.98
  4. Step 4: Simplify right side
    3,210.66x = 4,906,653.63
  5. Step 5: Solve for x
    x = 4,906,653.63/3,210.66
  6. Step 6: Final answer
    x = 1,528.24

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1.5x scale

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.