Home / 3,051.48-4,210.32-2,166.96

Finding the Fourth Proportional to 3,051.48, 4,210.32 and 2,166.96

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Solution

The fourth proportional to 3,051.48, 4,210.32 and 2,166.96 is: 2,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.48 : 4,210.32 = 2,166.96 : x
  2. Step 2: Convert to fraction form
    3,051.48/4,210.32 = 2,166.96/x
  3. Step 3: Cross multiply
    3,051.48x = 4,210.32 × 2,166.96
  4. Step 4: Simplify right side
    3,051.48x = 9,123,595.03
  5. Step 5: Solve for x
    x = 9,123,595.03/3,051.48
  6. Step 6: Final answer
    x = 2,989.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.