Home / 3,933.63-5,430.96-2,741.13

Finding the Fourth Proportional to 3,933.63, 5,430.96 and 2,741.13

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Solution

The fourth proportional to 3,933.63, 5,430.96 and 2,741.13 is: 3,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.63 : 5,430.96 = 2,741.13 : x
  2. Step 2: Convert to fraction form
    3,933.63/5,430.96 = 2,741.13/x
  3. Step 3: Cross multiply
    3,933.63x = 5,430.96 × 2,741.13
  4. Step 4: Simplify right side
    3,933.63x = 14,886,967.38
  5. Step 5: Solve for x
    x = 14,886,967.38/3,933.63
  6. Step 6: Final answer
    x = 3,784.54

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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.