Home / 3,246.60-4,869.90-1,055.55

Finding the Fourth Proportional to 3,246.60, 4,869.90 and 1,055.55

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Solution

The fourth proportional to 3,246.60, 4,869.90 and 1,055.55 is: 1,583.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.60 : 4,869.90 = 1,055.55 : x
  2. Step 2: Convert to fraction form
    3,246.60/4,869.90 = 1,055.55/x
  3. Step 3: Cross multiply
    3,246.60x = 4,869.90 × 1,055.55
  4. Step 4: Simplify right side
    3,246.60x = 5,140,422.95
  5. Step 5: Solve for x
    x = 5,140,422.95/3,246.60
  6. Step 6: Final answer
    x = 1,583.33

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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.