Home / 3,570.65-5,380.35-2,935.61

Finding the Fourth Proportional to 3,570.65, 5,380.35 and 2,935.61

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Solution

The fourth proportional to 3,570.65, 5,380.35 and 2,935.61 is: 4,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.65 : 5,380.35 = 2,935.61 : x
  2. Step 2: Convert to fraction form
    3,570.65/5,380.35 = 2,935.61/x
  3. Step 3: Cross multiply
    3,570.65x = 5,380.35 × 2,935.61
  4. Step 4: Simplify right side
    3,570.65x = 15,794,609.26
  5. Step 5: Solve for x
    x = 15,794,609.26/3,570.65
  6. Step 6: Final answer
    x = 4,423.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.