Home / 2,907.35-4,362.31-1,657.89

Finding the Fourth Proportional to 2,907.35, 4,362.31 and 1,657.89

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Solution

The fourth proportional to 2,907.35, 4,362.31 and 1,657.89 is: 2,487.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.35 : 4,362.31 = 1,657.89 : x
  2. Step 2: Convert to fraction form
    2,907.35/4,362.31 = 1,657.89/x
  3. Step 3: Cross multiply
    2,907.35x = 4,362.31 × 1,657.89
  4. Step 4: Simplify right side
    2,907.35x = 7,232,230.13
  5. Step 5: Solve for x
    x = 7,232,230.13/2,907.35
  6. Step 6: Final answer
    x = 2,487.57

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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.