Home / 3,052.18-4,577.67-860.34

Finding the Fourth Proportional to 3,052.18, 4,577.67 and 860.34

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Solution

The fourth proportional to 3,052.18, 4,577.67 and 860.34 is: 1,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,052.18 : 4,577.67 = 860.34 : x
  2. Step 2: Convert to fraction form
    3,052.18/4,577.67 = 860.34/x
  3. Step 3: Cross multiply
    3,052.18x = 4,577.67 × 860.34
  4. Step 4: Simplify right side
    3,052.18x = 3,938,352.61
  5. Step 5: Solve for x
    x = 3,938,352.61/3,052.18
  6. Step 6: Final answer
    x = 1,290.34

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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.