Home / 3,391.55-4,677.92-2,065.34

Finding the Fourth Proportional to 3,391.55, 4,677.92 and 2,065.34

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Solution

The fourth proportional to 3,391.55, 4,677.92 and 2,065.34 is: 2,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.55 : 4,677.92 = 2,065.34 : x
  2. Step 2: Convert to fraction form
    3,391.55/4,677.92 = 2,065.34/x
  3. Step 3: Cross multiply
    3,391.55x = 4,677.92 × 2,065.34
  4. Step 4: Simplify right side
    3,391.55x = 9,661,495.29
  5. Step 5: Solve for x
    x = 9,661,495.29/3,391.55
  6. Step 6: Final answer
    x = 2,848.70

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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.