Home / 3,384.04-4,669.79-1,891.66

Finding the Fourth Proportional to 3,384.04, 4,669.79 and 1,891.66

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Solution

The fourth proportional to 3,384.04, 4,669.79 and 1,891.66 is: 2,610.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.04 : 4,669.79 = 1,891.66 : x
  2. Step 2: Convert to fraction form
    3,384.04/4,669.79 = 1,891.66/x
  3. Step 3: Cross multiply
    3,384.04x = 4,669.79 × 1,891.66
  4. Step 4: Simplify right side
    3,384.04x = 8,833,645.49
  5. Step 5: Solve for x
    x = 8,833,645.49/3,384.04
  6. Step 6: Final answer
    x = 2,610.38

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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.