Home / 2,830.01-4,245.48-1,186.68

Finding the Fourth Proportional to 2,830.01, 4,245.48 and 1,186.68

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Solution

The fourth proportional to 2,830.01, 4,245.48 and 1,186.68 is: 1,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.01 : 4,245.48 = 1,186.68 : x
  2. Step 2: Convert to fraction form
    2,830.01/4,245.48 = 1,186.68/x
  3. Step 3: Cross multiply
    2,830.01x = 4,245.48 × 1,186.68
  4. Step 4: Simplify right side
    2,830.01x = 5,038,026.21
  5. Step 5: Solve for x
    x = 5,038,026.21/2,830.01
  6. Step 6: Final answer
    x = 1,780.21

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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.