Home / 3,246.75-4,870.89-1,055.46

Finding the Fourth Proportional to 3,246.75, 4,870.89 and 1,055.46

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Solution

The fourth proportional to 3,246.75, 4,870.89 and 1,055.46 is: 1,583.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.75 : 4,870.89 = 1,055.46 : x
  2. Step 2: Convert to fraction form
    3,246.75/4,870.89 = 1,055.46/x
  3. Step 3: Cross multiply
    3,246.75x = 4,870.89 × 1,055.46
  4. Step 4: Simplify right side
    3,246.75x = 5,141,029.56
  5. Step 5: Solve for x
    x = 5,141,029.56/3,246.75
  6. Step 6: Final answer
    x = 1,583.44

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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.