Home / 3,685.65-5,085.08-3,330.43

Finding the Fourth Proportional to 3,685.65, 5,085.08 and 3,330.43

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Solution

The fourth proportional to 3,685.65, 5,085.08 and 3,330.43 is: 4,594.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.65 : 5,085.08 = 3,330.43 : x
  2. Step 2: Convert to fraction form
    3,685.65/5,085.08 = 3,330.43/x
  3. Step 3: Cross multiply
    3,685.65x = 5,085.08 × 3,330.43
  4. Step 4: Simplify right side
    3,685.65x = 16,935,507.31
  5. Step 5: Solve for x
    x = 16,935,507.31/3,685.65
  6. Step 6: Final answer
    x = 4,594.99

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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.