Home / 3,930.65-5,426.54-2,606.15

Finding the Fourth Proportional to 3,930.65, 5,426.54 and 2,606.15

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Solution

The fourth proportional to 3,930.65, 5,426.54 and 2,606.15 is: 3,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.65 : 5,426.54 = 2,606.15 : x
  2. Step 2: Convert to fraction form
    3,930.65/5,426.54 = 2,606.15/x
  3. Step 3: Cross multiply
    3,930.65x = 5,426.54 × 2,606.15
  4. Step 4: Simplify right side
    3,930.65x = 14,142,363.65
  5. Step 5: Solve for x
    x = 14,142,363.65/3,930.65
  6. Step 6: Final answer
    x = 3,597.97

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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.