Home / 3,210.06-4,814.67-1,018.80

Finding the Fourth Proportional to 3,210.06, 4,814.67 and 1,018.80

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Solution

The fourth proportional to 3,210.06, 4,814.67 and 1,018.80 is: 1,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.06 : 4,814.67 = 1,018.80 : x
  2. Step 2: Convert to fraction form
    3,210.06/4,814.67 = 1,018.80/x
  3. Step 3: Cross multiply
    3,210.06x = 4,814.67 × 1,018.80
  4. Step 4: Simplify right side
    3,210.06x = 4,905,185.80
  5. Step 5: Solve for x
    x = 4,905,185.80/3,210.06
  6. Step 6: Final answer
    x = 1,528.07

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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.