Home / 3,835.64-5,293.53-2,157.45

Finding the Fourth Proportional to 3,835.64, 5,293.53 and 2,157.45

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Solution

The fourth proportional to 3,835.64, 5,293.53 and 2,157.45 is: 2,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.64 : 5,293.53 = 2,157.45 : x
  2. Step 2: Convert to fraction form
    3,835.64/5,293.53 = 2,157.45/x
  3. Step 3: Cross multiply
    3,835.64x = 5,293.53 × 2,157.45
  4. Step 4: Simplify right side
    3,835.64x = 11,420,526.30
  5. Step 5: Solve for x
    x = 11,420,526.30/3,835.64
  6. Step 6: Final answer
    x = 2,977.48

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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.