Home / 3,790.75-5,686.14-1,054.75

Finding the Fourth Proportional to 3,790.75, 5,686.14 and 1,054.75

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Solution

The fourth proportional to 3,790.75, 5,686.14 and 1,054.75 is: 1,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.75 : 5,686.14 = 1,054.75 : x
  2. Step 2: Convert to fraction form
    3,790.75/5,686.14 = 1,054.75/x
  3. Step 3: Cross multiply
    3,790.75x = 5,686.14 × 1,054.75
  4. Step 4: Simplify right side
    3,790.75x = 5,997,456.17
  5. Step 5: Solve for x
    x = 5,997,456.17/3,790.75
  6. Step 6: Final answer
    x = 1,582.13

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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.