Home / 3,823.90-5,736.76-1,358.93

Finding the Fourth Proportional to 3,823.90, 5,736.76 and 1,358.93

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Solution

The fourth proportional to 3,823.90, 5,736.76 and 1,358.93 is: 2,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.90 : 5,736.76 = 1,358.93 : x
  2. Step 2: Convert to fraction form
    3,823.90/5,736.76 = 1,358.93/x
  3. Step 3: Cross multiply
    3,823.90x = 5,736.76 × 1,358.93
  4. Step 4: Simplify right side
    3,823.90x = 7,795,866.21
  5. Step 5: Solve for x
    x = 7,795,866.21/3,823.90
  6. Step 6: Final answer
    x = 2,038.72

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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.