Home / 3,270.61-4,513.57-1,873.63

Finding the Fourth Proportional to 3,270.61, 4,513.57 and 1,873.63

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Solution

The fourth proportional to 3,270.61, 4,513.57 and 1,873.63 is: 2,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.61 : 4,513.57 = 1,873.63 : x
  2. Step 2: Convert to fraction form
    3,270.61/4,513.57 = 1,873.63/x
  3. Step 3: Cross multiply
    3,270.61x = 4,513.57 × 1,873.63
  4. Step 4: Simplify right side
    3,270.61x = 8,456,771.47
  5. Step 5: Solve for x
    x = 8,456,771.47/3,270.61
  6. Step 6: Final answer
    x = 2,585.68

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1.5x scale

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.