Home / 2,773.60-4,160.58-1,042.12

Finding the Fourth Proportional to 2,773.60, 4,160.58 and 1,042.12

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Solution

The fourth proportional to 2,773.60, 4,160.58 and 1,042.12 is: 1,563.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.60 : 4,160.58 = 1,042.12 : x
  2. Step 2: Convert to fraction form
    2,773.60/4,160.58 = 1,042.12/x
  3. Step 3: Cross multiply
    2,773.60x = 4,160.58 × 1,042.12
  4. Step 4: Simplify right side
    2,773.60x = 4,335,823.63
  5. Step 5: Solve for x
    x = 4,335,823.63/2,773.60
  6. Step 6: Final answer
    x = 1,563.25

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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.