Home / 2,317.83-3,477.66-857.13

Finding the Fourth Proportional to 2,317.83, 3,477.66 and 857.13

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Solution

The fourth proportional to 2,317.83, 3,477.66 and 857.13 is: 1,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.83 : 3,477.66 = 857.13 : x
  2. Step 2: Convert to fraction form
    2,317.83/3,477.66 = 857.13/x
  3. Step 3: Cross multiply
    2,317.83x = 3,477.66 × 857.13
  4. Step 4: Simplify right side
    2,317.83x = 2,980,806.72
  5. Step 5: Solve for x
    x = 2,980,806.72/2,317.83
  6. Step 6: Final answer
    x = 1,286.03

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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.