Home / 2,945.20-4,420.37-1,559.53

Finding the Fourth Proportional to 2,945.20, 4,420.37 and 1,559.53

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Solution

The fourth proportional to 2,945.20, 4,420.37 and 1,559.53 is: 2,340.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.20 : 4,420.37 = 1,559.53 : x
  2. Step 2: Convert to fraction form
    2,945.20/4,420.37 = 1,559.53/x
  3. Step 3: Cross multiply
    2,945.20x = 4,420.37 × 1,559.53
  4. Step 4: Simplify right side
    2,945.20x = 6,893,699.63
  5. Step 5: Solve for x
    x = 6,893,699.63/2,945.20
  6. Step 6: Final answer
    x = 2,340.66

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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.