Home / 2,860.34-4,288.70-1,608.96

Finding the Fourth Proportional to 2,860.34, 4,288.70 and 1,608.96

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Solution

The fourth proportional to 2,860.34, 4,288.70 and 1,608.96 is: 2,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.34 : 4,288.70 = 1,608.96 : x
  2. Step 2: Convert to fraction form
    2,860.34/4,288.70 = 1,608.96/x
  3. Step 3: Cross multiply
    2,860.34x = 4,288.70 × 1,608.96
  4. Step 4: Simplify right side
    2,860.34x = 6,900,346.75
  5. Step 5: Solve for x
    x = 6,900,346.75/2,860.34
  6. Step 6: Final answer
    x = 2,412.42

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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.