Home / 2,284.96-3,425.52-917.92

Finding the Fourth Proportional to 2,284.96, 3,425.52 and 917.92

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Solution

The fourth proportional to 2,284.96, 3,425.52 and 917.92 is: 1,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.96 : 3,425.52 = 917.92 : x
  2. Step 2: Convert to fraction form
    2,284.96/3,425.52 = 917.92/x
  3. Step 3: Cross multiply
    2,284.96x = 3,425.52 × 917.92
  4. Step 4: Simplify right side
    2,284.96x = 3,144,353.32
  5. Step 5: Solve for x
    x = 3,144,353.32/2,284.96
  6. Step 6: Final answer
    x = 1,376.11

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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.