Home / 2,789.04-3,848.61-1,669.77

Finding the Fourth Proportional to 2,789.04, 3,848.61 and 1,669.77

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Solution

The fourth proportional to 2,789.04, 3,848.61 and 1,669.77 is: 2,304.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.04 : 3,848.61 = 1,669.77 : x
  2. Step 2: Convert to fraction form
    2,789.04/3,848.61 = 1,669.77/x
  3. Step 3: Cross multiply
    2,789.04x = 3,848.61 × 1,669.77
  4. Step 4: Simplify right side
    2,789.04x = 6,426,293.52
  5. Step 5: Solve for x
    x = 6,426,293.52/2,789.04
  6. Step 6: Final answer
    x = 2,304.12

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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.