Home / 2,830.08-4,246.77-1,186.48

Finding the Fourth Proportional to 2,830.08, 4,246.77 and 1,186.48

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Solution

The fourth proportional to 2,830.08, 4,246.77 and 1,186.48 is: 1,780.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.08 : 4,246.77 = 1,186.48 : x
  2. Step 2: Convert to fraction form
    2,830.08/4,246.77 = 1,186.48/x
  3. Step 3: Cross multiply
    2,830.08x = 4,246.77 × 1,186.48
  4. Step 4: Simplify right side
    2,830.08x = 5,038,707.67
  5. Step 5: Solve for x
    x = 5,038,707.67/2,830.08
  6. Step 6: Final answer
    x = 1,780.41

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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.