Home / 2,171.70-3,257.55-1,525.32

Finding the Fourth Proportional to 2,171.70, 3,257.55 and 1,525.32

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Solution

The fourth proportional to 2,171.70, 3,257.55 and 1,525.32 is: 2,287.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.70 : 3,257.55 = 1,525.32 : x
  2. Step 2: Convert to fraction form
    2,171.70/3,257.55 = 1,525.32/x
  3. Step 3: Cross multiply
    2,171.70x = 3,257.55 × 1,525.32
  4. Step 4: Simplify right side
    2,171.70x = 4,968,804.52
  5. Step 5: Solve for x
    x = 4,968,804.52/2,171.70
  6. Step 6: Final answer
    x = 2,287.98

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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.