Home / 2,447.06-3,376.77-1,385

Finding the Fourth Proportional to 2,447.06, 3,376.77 and 1,385

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Solution

The fourth proportional to 2,447.06, 3,376.77 and 1,385 is: 1,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.06 : 3,376.77 = 1,385 : x
  2. Step 2: Convert to fraction form
    2,447.06/3,376.77 = 1,385/x
  3. Step 3: Cross multiply
    2,447.06x = 3,376.77 × 1,385
  4. Step 4: Simplify right side
    2,447.06x = 4,676,826.45
  5. Step 5: Solve for x
    x = 4,676,826.45/2,447.06
  6. Step 6: Final answer
    x = 1,911.20

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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.