Home / 1,807.58-2,708.94-1,318.34

Finding the Fourth Proportional to 1,807.58, 2,708.94 and 1,318.34

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Solution

The fourth proportional to 1,807.58, 2,708.94 and 1,318.34 is: 1,975.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.58 : 2,708.94 = 1,318.34 : x
  2. Step 2: Convert to fraction form
    1,807.58/2,708.94 = 1,318.34/x
  3. Step 3: Cross multiply
    1,807.58x = 2,708.94 × 1,318.34
  4. Step 4: Simplify right side
    1,807.58x = 3,571,303.96
  5. Step 5: Solve for x
    x = 3,571,303.96/1,807.58
  6. Step 6: Final answer
    x = 1,975.74

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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.