Home / 2,988.20-4,484.62-2,070.19

Finding the Fourth Proportional to 2,988.20, 4,484.62 and 2,070.19

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Solution

The fourth proportional to 2,988.20, 4,484.62 and 2,070.19 is: 3,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.20 : 4,484.62 = 2,070.19 : x
  2. Step 2: Convert to fraction form
    2,988.20/4,484.62 = 2,070.19/x
  3. Step 3: Cross multiply
    2,988.20x = 4,484.62 × 2,070.19
  4. Step 4: Simplify right side
    2,988.20x = 9,284,015.48
  5. Step 5: Solve for x
    x = 9,284,015.48/2,988.20
  6. Step 6: Final answer
    x = 3,106.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.