Home / 1,785.88-2,675.56-1,318.52

Finding the Fourth Proportional to 1,785.88, 2,675.56 and 1,318.52

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Solution

The fourth proportional to 1,785.88, 2,675.56 and 1,318.52 is: 1,975.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.88 : 2,675.56 = 1,318.52 : x
  2. Step 2: Convert to fraction form
    1,785.88/2,675.56 = 1,318.52/x
  3. Step 3: Cross multiply
    1,785.88x = 2,675.56 × 1,318.52
  4. Step 4: Simplify right side
    1,785.88x = 3,527,779.37
  5. Step 5: Solve for x
    x = 3,527,779.37/1,785.88
  6. Step 6: Final answer
    x = 1,975.37

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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.