Home / 2,981.63-4,468.29-2,540.59

Finding the Fourth Proportional to 2,981.63, 4,468.29 and 2,540.59

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Solution

The fourth proportional to 2,981.63, 4,468.29 and 2,540.59 is: 3,807.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.63 : 4,468.29 = 2,540.59 : x
  2. Step 2: Convert to fraction form
    2,981.63/4,468.29 = 2,540.59/x
  3. Step 3: Cross multiply
    2,981.63x = 4,468.29 × 2,540.59
  4. Step 4: Simplify right side
    2,981.63x = 11,352,070.55
  5. Step 5: Solve for x
    x = 11,352,070.55/2,981.63
  6. Step 6: Final answer
    x = 3,807.34

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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.