Home / 4,322.35-6,485.33-2,131.10

Finding the Fourth Proportional to 4,322.35, 6,485.33 and 2,131.10

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Solution

The fourth proportional to 4,322.35, 6,485.33 and 2,131.10 is: 3,197.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322.35 : 6,485.33 = 2,131.10 : x
  2. Step 2: Convert to fraction form
    4,322.35/6,485.33 = 2,131.10/x
  3. Step 3: Cross multiply
    4,322.35x = 6,485.33 × 2,131.10
  4. Step 4: Simplify right side
    4,322.35x = 13,820,886.76
  5. Step 5: Solve for x
    x = 13,820,886.76/4,322.35
  6. Step 6: Final answer
    x = 3,197.54

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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.