Home / 2,465.30-3,696.60-1,002.80

Finding the Fourth Proportional to 2,465.30, 3,696.60 and 1,002.80

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Solution

The fourth proportional to 2,465.30, 3,696.60 and 1,002.80 is: 1,503.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465.30 : 3,696.60 = 1,002.80 : x
  2. Step 2: Convert to fraction form
    2,465.30/3,696.60 = 1,002.80/x
  3. Step 3: Cross multiply
    2,465.30x = 3,696.60 × 1,002.80
  4. Step 4: Simplify right side
    2,465.30x = 3,706,950.48
  5. Step 5: Solve for x
    x = 3,706,950.48/2,465.30
  6. Step 6: Final answer
    x = 1,503.65

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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.