Home / 3,137.67-4,327.38-2,641.50

Finding the Fourth Proportional to 3,137.67, 4,327.38 and 2,641.50

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Solution

The fourth proportional to 3,137.67, 4,327.38 and 2,641.50 is: 3,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.67 : 4,327.38 = 2,641.50 : x
  2. Step 2: Convert to fraction form
    3,137.67/4,327.38 = 2,641.50/x
  3. Step 3: Cross multiply
    3,137.67x = 4,327.38 × 2,641.50
  4. Step 4: Simplify right side
    3,137.67x = 11,430,774.27
  5. Step 5: Solve for x
    x = 11,430,774.27/3,137.67
  6. Step 6: Final answer
    x = 3,643.08

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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.