Home / 2,946.64-4,421.81-1,698.84

Finding the Fourth Proportional to 2,946.64, 4,421.81 and 1,698.84

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Solution

The fourth proportional to 2,946.64, 4,421.81 and 1,698.84 is: 2,549.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.64 : 4,421.81 = 1,698.84 : x
  2. Step 2: Convert to fraction form
    2,946.64/4,421.81 = 1,698.84/x
  3. Step 3: Cross multiply
    2,946.64x = 4,421.81 × 1,698.84
  4. Step 4: Simplify right side
    2,946.64x = 7,511,947.70
  5. Step 5: Solve for x
    x = 7,511,947.70/2,946.64
  6. Step 6: Final answer
    x = 2,549.33

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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.