Home / 2,866.34-4,290.15-1,771.58

Finding the Fourth Proportional to 2,866.34, 4,290.15 and 1,771.58

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Solution

The fourth proportional to 2,866.34, 4,290.15 and 1,771.58 is: 2,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.34 : 4,290.15 = 1,771.58 : x
  2. Step 2: Convert to fraction form
    2,866.34/4,290.15 = 1,771.58/x
  3. Step 3: Cross multiply
    2,866.34x = 4,290.15 × 1,771.58
  4. Step 4: Simplify right side
    2,866.34x = 7,600,343.94
  5. Step 5: Solve for x
    x = 7,600,343.94/2,866.34
  6. Step 6: Final answer
    x = 2,651.58

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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.