Home / 3,607.21-5,412.44-1,528.75

Finding the Fourth Proportional to 3,607.21, 5,412.44 and 1,528.75

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Solution

The fourth proportional to 3,607.21, 5,412.44 and 1,528.75 is: 2,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.21 : 5,412.44 = 1,528.75 : x
  2. Step 2: Convert to fraction form
    3,607.21/5,412.44 = 1,528.75/x
  3. Step 3: Cross multiply
    3,607.21x = 5,412.44 × 1,528.75
  4. Step 4: Simplify right side
    3,607.21x = 8,274,267.65
  5. Step 5: Solve for x
    x = 8,274,267.65/3,607.21
  6. Step 6: Final answer
    x = 2,293.81

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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.