Home / 1,448.60-2,176.92-1,440.62

Finding the Fourth Proportional to 1,448.60, 2,176.92 and 1,440.62

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Solution

The fourth proportional to 1,448.60, 2,176.92 and 1,440.62 is: 2,164.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.60 : 2,176.92 = 1,440.62 : x
  2. Step 2: Convert to fraction form
    1,448.60/2,176.92 = 1,440.62/x
  3. Step 3: Cross multiply
    1,448.60x = 2,176.92 × 1,440.62
  4. Step 4: Simplify right side
    1,448.60x = 3,136,114.49
  5. Step 5: Solve for x
    x = 3,136,114.49/1,448.60
  6. Step 6: Final answer
    x = 2,164.93

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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.