Home / 3,231.08-4,458.02-2,051.56

Finding the Fourth Proportional to 3,231.08, 4,458.02 and 2,051.56

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Solution

The fourth proportional to 3,231.08, 4,458.02 and 2,051.56 is: 2,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.08 : 4,458.02 = 2,051.56 : x
  2. Step 2: Convert to fraction form
    3,231.08/4,458.02 = 2,051.56/x
  3. Step 3: Cross multiply
    3,231.08x = 4,458.02 × 2,051.56
  4. Step 4: Simplify right side
    3,231.08x = 9,145,895.51
  5. Step 5: Solve for x
    x = 9,145,895.51/3,231.08
  6. Step 6: Final answer
    x = 2,830.60

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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.