Home / 2,520.69-3,473.63-1,891.92

Finding the Fourth Proportional to 2,520.69, 3,473.63 and 1,891.92

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Solution

The fourth proportional to 2,520.69, 3,473.63 and 1,891.92 is: 2,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.69 : 3,473.63 = 1,891.92 : x
  2. Step 2: Convert to fraction form
    2,520.69/3,473.63 = 1,891.92/x
  3. Step 3: Cross multiply
    2,520.69x = 3,473.63 × 1,891.92
  4. Step 4: Simplify right side
    2,520.69x = 6,571,851.37
  5. Step 5: Solve for x
    x = 6,571,851.37/2,520.69
  6. Step 6: Final answer
    x = 2,607.17

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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.