Home / 2,033.56-3,050.36-646.90

Finding the Fourth Proportional to 2,033.56, 3,050.36 and 646.90

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Solution

The fourth proportional to 2,033.56, 3,050.36 and 646.90 is: 970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,033.56 : 3,050.36 = 646.90 : x
  2. Step 2: Convert to fraction form
    2,033.56/3,050.36 = 646.90/x
  3. Step 3: Cross multiply
    2,033.56x = 3,050.36 × 646.90
  4. Step 4: Simplify right side
    2,033.56x = 1,973,277.88
  5. Step 5: Solve for x
    x = 1,973,277.88/2,033.56
  6. Step 6: Final answer
    x = 970.36

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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.