Home / 3,240.30-4,860.88-1,048.50

Finding the Fourth Proportional to 3,240.30, 4,860.88 and 1,048.50

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Solution

The fourth proportional to 3,240.30, 4,860.88 and 1,048.50 is: 1,572.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.30 : 4,860.88 = 1,048.50 : x
  2. Step 2: Convert to fraction form
    3,240.30/4,860.88 = 1,048.50/x
  3. Step 3: Cross multiply
    3,240.30x = 4,860.88 × 1,048.50
  4. Step 4: Simplify right side
    3,240.30x = 5,096,632.68
  5. Step 5: Solve for x
    x = 5,096,632.68/3,240.30
  6. Step 6: Final answer
    x = 1,572.89

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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.