Home / 2,630.60-3,630.84-1,845.80

Finding the Fourth Proportional to 2,630.60, 3,630.84 and 1,845.80

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Solution

The fourth proportional to 2,630.60, 3,630.84 and 1,845.80 is: 2,547.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.60 : 3,630.84 = 1,845.80 : x
  2. Step 2: Convert to fraction form
    2,630.60/3,630.84 = 1,845.80/x
  3. Step 3: Cross multiply
    2,630.60x = 3,630.84 × 1,845.80
  4. Step 4: Simplify right side
    2,630.60x = 6,701,804.47
  5. Step 5: Solve for x
    x = 6,701,804.47/2,630.60
  6. Step 6: Final answer
    x = 2,547.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.