Home / 3,237.96-4,468.21-1,911.18

Finding the Fourth Proportional to 3,237.96, 4,468.21 and 1,911.18

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Solution

The fourth proportional to 3,237.96, 4,468.21 and 1,911.18 is: 2,637.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.96 : 4,468.21 = 1,911.18 : x
  2. Step 2: Convert to fraction form
    3,237.96/4,468.21 = 1,911.18/x
  3. Step 3: Cross multiply
    3,237.96x = 4,468.21 × 1,911.18
  4. Step 4: Simplify right side
    3,237.96x = 8,539,548.81
  5. Step 5: Solve for x
    x = 8,539,548.81/3,237.96
  6. Step 6: Final answer
    x = 2,637.32

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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.