Home / 2,845.12-4,269.89-1,973.74

Finding the Fourth Proportional to 2,845.12, 4,269.89 and 1,973.74

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Solution

The fourth proportional to 2,845.12, 4,269.89 and 1,973.74 is: 2,962.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.12 : 4,269.89 = 1,973.74 : x
  2. Step 2: Convert to fraction form
    2,845.12/4,269.89 = 1,973.74/x
  3. Step 3: Cross multiply
    2,845.12x = 4,269.89 × 1,973.74
  4. Step 4: Simplify right side
    2,845.12x = 8,427,647.90
  5. Step 5: Solve for x
    x = 8,427,647.90/2,845.12
  6. Step 6: Final answer
    x = 2,962.14

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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.