Home / 2,317.96-3,477.08-858.14

Finding the Fourth Proportional to 2,317.96, 3,477.08 and 858.14

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Solution

The fourth proportional to 2,317.96, 3,477.08 and 858.14 is: 1,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.96 : 3,477.08 = 858.14 : x
  2. Step 2: Convert to fraction form
    2,317.96/3,477.08 = 858.14/x
  3. Step 3: Cross multiply
    2,317.96x = 3,477.08 × 858.14
  4. Step 4: Simplify right side
    2,317.96x = 2,983,821.43
  5. Step 5: Solve for x
    x = 2,983,821.43/2,317.96
  6. Step 6: Final answer
    x = 1,287.26

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1.5x scale

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.