Home / 2,907.55-4,362.59-1,445.86

Finding the Fourth Proportional to 2,907.55, 4,362.59 and 1,445.86

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Solution

The fourth proportional to 2,907.55, 4,362.59 and 1,445.86 is: 2,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.55 : 4,362.59 = 1,445.86 : x
  2. Step 2: Convert to fraction form
    2,907.55/4,362.59 = 1,445.86/x
  3. Step 3: Cross multiply
    2,907.55x = 4,362.59 × 1,445.86
  4. Step 4: Simplify right side
    2,907.55x = 6,307,694.38
  5. Step 5: Solve for x
    x = 6,307,694.38/2,907.55
  6. Step 6: Final answer
    x = 2,169.42

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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.