Home / 2,988.73-4,491.06-1,528.84

Finding the Fourth Proportional to 2,988.73, 4,491.06 and 1,528.84

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Solution

The fourth proportional to 2,988.73, 4,491.06 and 1,528.84 is: 2,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.73 : 4,491.06 = 1,528.84 : x
  2. Step 2: Convert to fraction form
    2,988.73/4,491.06 = 1,528.84/x
  3. Step 3: Cross multiply
    2,988.73x = 4,491.06 × 1,528.84
  4. Step 4: Simplify right side
    2,988.73x = 6,866,112.17
  5. Step 5: Solve for x
    x = 6,866,112.17/2,988.73
  6. Step 6: Final answer
    x = 2,297.33

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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.