Home / 1,448.08-2,166.67-860.92

Finding the Fourth Proportional to 1,448.08, 2,166.67 and 860.92

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Solution

The fourth proportional to 1,448.08, 2,166.67 and 860.92 is: 1,288.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.08 : 2,166.67 = 860.92 : x
  2. Step 2: Convert to fraction form
    1,448.08/2,166.67 = 860.92/x
  3. Step 3: Cross multiply
    1,448.08x = 2,166.67 × 860.92
  4. Step 4: Simplify right side
    1,448.08x = 1,865,329.54
  5. Step 5: Solve for x
    x = 1,865,329.54/1,448.08
  6. Step 6: Final answer
    x = 1,288.14

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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.