Home / 2,946.87-4,066.59-1,620.57

Finding the Fourth Proportional to 2,946.87, 4,066.59 and 1,620.57

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Solution

The fourth proportional to 2,946.87, 4,066.59 and 1,620.57 is: 2,236.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.87 : 4,066.59 = 1,620.57 : x
  2. Step 2: Convert to fraction form
    2,946.87/4,066.59 = 1,620.57/x
  3. Step 3: Cross multiply
    2,946.87x = 4,066.59 × 1,620.57
  4. Step 4: Simplify right side
    2,946.87x = 6,590,193.76
  5. Step 5: Solve for x
    x = 6,590,193.76/2,946.87
  6. Step 6: Final answer
    x = 2,236.34

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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.