Home / 3,290.04-4,938.70-1,343.60

Finding the Fourth Proportional to 3,290.04, 4,938.70 and 1,343.60

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Solution

The fourth proportional to 3,290.04, 4,938.70 and 1,343.60 is: 2,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.04 : 4,938.70 = 1,343.60 : x
  2. Step 2: Convert to fraction form
    3,290.04/4,938.70 = 1,343.60/x
  3. Step 3: Cross multiply
    3,290.04x = 4,938.70 × 1,343.60
  4. Step 4: Simplify right side
    3,290.04x = 6,635,637.32
  5. Step 5: Solve for x
    x = 6,635,637.32/3,290.04
  6. Step 6: Final answer
    x = 2,016.89

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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.