Home / 3,882.13-5,823.63-1,285.07

Finding the Fourth Proportional to 3,882.13, 5,823.63 and 1,285.07

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Solution

The fourth proportional to 3,882.13, 5,823.63 and 1,285.07 is: 1,927.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.13 : 5,823.63 = 1,285.07 : x
  2. Step 2: Convert to fraction form
    3,882.13/5,823.63 = 1,285.07/x
  3. Step 3: Cross multiply
    3,882.13x = 5,823.63 × 1,285.07
  4. Step 4: Simplify right side
    3,882.13x = 7,483,743.09
  5. Step 5: Solve for x
    x = 7,483,743.09/3,882.13
  6. Step 6: Final answer
    x = 1,927.74

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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.