Home / 1,636.02-2,438.62-1,504.80

Finding the Fourth Proportional to 1,636.02, 2,438.62 and 1,504.80

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Solution

The fourth proportional to 1,636.02, 2,438.62 and 1,504.80 is: 2,243.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.02 : 2,438.62 = 1,504.80 : x
  2. Step 2: Convert to fraction form
    1,636.02/2,438.62 = 1,504.80/x
  3. Step 3: Cross multiply
    1,636.02x = 2,438.62 × 1,504.80
  4. Step 4: Simplify right side
    1,636.02x = 3,669,631.61
  5. Step 5: Solve for x
    x = 3,669,631.61/1,636.02
  6. Step 6: Final answer
    x = 2,243.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.