Home / 2,830.74-4,245.36-2,006.58

Finding the Fourth Proportional to 2,830.74, 4,245.36 and 2,006.58

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Solution

The fourth proportional to 2,830.74, 4,245.36 and 2,006.58 is: 3,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.74 : 4,245.36 = 2,006.58 : x
  2. Step 2: Convert to fraction form
    2,830.74/4,245.36 = 2,006.58/x
  3. Step 3: Cross multiply
    2,830.74x = 4,245.36 × 2,006.58
  4. Step 4: Simplify right side
    2,830.74x = 8,518,654.47
  5. Step 5: Solve for x
    x = 8,518,654.47/2,830.74
  6. Step 6: Final answer
    x = 3,009.34

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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.