Home / 1,632.58-2,448.87-1,147.80

Finding the Fourth Proportional to 1,632.58, 2,448.87 and 1,147.80

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Solution

The fourth proportional to 1,632.58, 2,448.87 and 1,147.80 is: 1,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.58 : 2,448.87 = 1,147.80 : x
  2. Step 2: Convert to fraction form
    1,632.58/2,448.87 = 1,147.80/x
  3. Step 3: Cross multiply
    1,632.58x = 2,448.87 × 1,147.80
  4. Step 4: Simplify right side
    1,632.58x = 2,810,812.99
  5. Step 5: Solve for x
    x = 2,810,812.99/1,632.58
  6. Step 6: Final answer
    x = 1,721.70

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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.