Home / 2,820.02-4,230.23-1,176.73

Finding the Fourth Proportional to 2,820.02, 4,230.23 and 1,176.73

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Solution

The fourth proportional to 2,820.02, 4,230.23 and 1,176.73 is: 1,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.02 : 4,230.23 = 1,176.73 : x
  2. Step 2: Convert to fraction form
    2,820.02/4,230.23 = 1,176.73/x
  3. Step 3: Cross multiply
    2,820.02x = 4,230.23 × 1,176.73
  4. Step 4: Simplify right side
    2,820.02x = 4,977,822.09
  5. Step 5: Solve for x
    x = 4,977,822.09/2,820.02
  6. Step 6: Final answer
    x = 1,765.18

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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.