Home / 2,352.25-3,245.93-1,289.84

Finding the Fourth Proportional to 2,352.25, 3,245.93 and 1,289.84

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Solution

The fourth proportional to 2,352.25, 3,245.93 and 1,289.84 is: 1,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,352.25 : 3,245.93 = 1,289.84 : x
  2. Step 2: Convert to fraction form
    2,352.25/3,245.93 = 1,289.84/x
  3. Step 3: Cross multiply
    2,352.25x = 3,245.93 × 1,289.84
  4. Step 4: Simplify right side
    2,352.25x = 4,186,732.02
  5. Step 5: Solve for x
    x = 4,186,732.02/2,352.25
  6. Step 6: Final answer
    x = 1,779.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.