Home / 2,306.93-3,455.81-1,785.11

Finding the Fourth Proportional to 2,306.93, 3,455.81 and 1,785.11

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Solution

The fourth proportional to 2,306.93, 3,455.81 and 1,785.11 is: 2,674.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.93 : 3,455.81 = 1,785.11 : x
  2. Step 2: Convert to fraction form
    2,306.93/3,455.81 = 1,785.11/x
  3. Step 3: Cross multiply
    2,306.93x = 3,455.81 × 1,785.11
  4. Step 4: Simplify right side
    2,306.93x = 6,168,992.06
  5. Step 5: Solve for x
    x = 6,168,992.06/2,306.93
  6. Step 6: Final answer
    x = 2,674.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.