Home / 3,975.40-5,962.68-1,053.73

Finding the Fourth Proportional to 3,975.40, 5,962.68 and 1,053.73

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Solution

The fourth proportional to 3,975.40, 5,962.68 and 1,053.73 is: 1,580.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.40 : 5,962.68 = 1,053.73 : x
  2. Step 2: Convert to fraction form
    3,975.40/5,962.68 = 1,053.73/x
  3. Step 3: Cross multiply
    3,975.40x = 5,962.68 × 1,053.73
  4. Step 4: Simplify right side
    3,975.40x = 6,283,054.80
  5. Step 5: Solve for x
    x = 6,283,054.80/3,975.40
  6. Step 6: Final answer
    x = 1,580.48

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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.