Home / 3,239.04-4,855.86-1,390.08

Finding the Fourth Proportional to 3,239.04, 4,855.86 and 1,390.08

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Solution

The fourth proportional to 3,239.04, 4,855.86 and 1,390.08 is: 2,083.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.04 : 4,855.86 = 1,390.08 : x
  2. Step 2: Convert to fraction form
    3,239.04/4,855.86 = 1,390.08/x
  3. Step 3: Cross multiply
    3,239.04x = 4,855.86 × 1,390.08
  4. Step 4: Simplify right side
    3,239.04x = 6,750,033.87
  5. Step 5: Solve for x
    x = 6,750,033.87/3,239.04
  6. Step 6: Final answer
    x = 2,083.96

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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.