Home / 2,317.28-3,476.12-856.44

Finding the Fourth Proportional to 2,317.28, 3,476.12 and 856.44

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Solution

The fourth proportional to 2,317.28, 3,476.12 and 856.44 is: 1,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.28 : 3,476.12 = 856.44 : x
  2. Step 2: Convert to fraction form
    2,317.28/3,476.12 = 856.44/x
  3. Step 3: Cross multiply
    2,317.28x = 3,476.12 × 856.44
  4. Step 4: Simplify right side
    2,317.28x = 2,977,083.93
  5. Step 5: Solve for x
    x = 2,977,083.93/2,317.28
  6. Step 6: Final answer
    x = 1,284.73

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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.