Home / 2,675.36-4,011.77-1,489.28

Finding the Fourth Proportional to 2,675.36, 4,011.77 and 1,489.28

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Solution

The fourth proportional to 2,675.36, 4,011.77 and 1,489.28 is: 2,233.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.36 : 4,011.77 = 1,489.28 : x
  2. Step 2: Convert to fraction form
    2,675.36/4,011.77 = 1,489.28/x
  3. Step 3: Cross multiply
    2,675.36x = 4,011.77 × 1,489.28
  4. Step 4: Simplify right side
    2,675.36x = 5,974,632.49
  5. Step 5: Solve for x
    x = 5,974,632.49/2,675.36
  6. Step 6: Final answer
    x = 2,233.20

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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.