Home / 3,235.39-4,477.67-3,157.75

Finding the Fourth Proportional to 3,235.39, 4,477.67 and 3,157.75

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Solution

The fourth proportional to 3,235.39, 4,477.67 and 3,157.75 is: 4,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.39 : 4,477.67 = 3,157.75 : x
  2. Step 2: Convert to fraction form
    3,235.39/4,477.67 = 3,157.75/x
  3. Step 3: Cross multiply
    3,235.39x = 4,477.67 × 3,157.75
  4. Step 4: Simplify right side
    3,235.39x = 14,139,362.44
  5. Step 5: Solve for x
    x = 14,139,362.44/3,235.39
  6. Step 6: Final answer
    x = 4,370.22

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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.