Home / 2,907.08-4,010.88-1,647.94

Finding the Fourth Proportional to 2,907.08, 4,010.88 and 1,647.94

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Solution

The fourth proportional to 2,907.08, 4,010.88 and 1,647.94 is: 2,273.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.08 : 4,010.88 = 1,647.94 : x
  2. Step 2: Convert to fraction form
    2,907.08/4,010.88 = 1,647.94/x
  3. Step 3: Cross multiply
    2,907.08x = 4,010.88 × 1,647.94
  4. Step 4: Simplify right side
    2,907.08x = 6,609,689.59
  5. Step 5: Solve for x
    x = 6,609,689.59/2,907.08
  6. Step 6: Final answer
    x = 2,273.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.