Home / 3,486.30-4,811.06-2,070.68

Finding the Fourth Proportional to 3,486.30, 4,811.06 and 2,070.68

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Solution

The fourth proportional to 3,486.30, 4,811.06 and 2,070.68 is: 2,857.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.30 : 4,811.06 = 2,070.68 : x
  2. Step 2: Convert to fraction form
    3,486.30/4,811.06 = 2,070.68/x
  3. Step 3: Cross multiply
    3,486.30x = 4,811.06 × 2,070.68
  4. Step 4: Simplify right side
    3,486.30x = 9,962,165.72
  5. Step 5: Solve for x
    x = 9,962,165.72/3,486.30
  6. Step 6: Final answer
    x = 2,857.52

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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.