Home / 2,995.40-4,490.04-2,021.60

Finding the Fourth Proportional to 2,995.40, 4,490.04 and 2,021.60

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Solution

The fourth proportional to 2,995.40, 4,490.04 and 2,021.60 is: 3,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.40 : 4,490.04 = 2,021.60 : x
  2. Step 2: Convert to fraction form
    2,995.40/4,490.04 = 2,021.60/x
  3. Step 3: Cross multiply
    2,995.40x = 4,490.04 × 2,021.60
  4. Step 4: Simplify right side
    2,995.40x = 9,077,064.86
  5. Step 5: Solve for x
    x = 9,077,064.86/2,995.40
  6. Step 6: Final answer
    x = 3,030.33

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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.