Home / 4,238.02-6,357.60-2,157.34

Finding the Fourth Proportional to 4,238.02, 6,357.60 and 2,157.34

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Solution

The fourth proportional to 4,238.02, 6,357.60 and 2,157.34 is: 3,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.02 : 6,357.60 = 2,157.34 : x
  2. Step 2: Convert to fraction form
    4,238.02/6,357.60 = 2,157.34/x
  3. Step 3: Cross multiply
    4,238.02x = 6,357.60 × 2,157.34
  4. Step 4: Simplify right side
    4,238.02x = 13,715,504.78
  5. Step 5: Solve for x
    x = 13,715,504.78/4,238.02
  6. Step 6: Final answer
    x = 3,236.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.