Home / 1,935-2,902.48-1,317.17

Finding the Fourth Proportional to 1,935, 2,902.48 and 1,317.17

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Solution

The fourth proportional to 1,935, 2,902.48 and 1,317.17 is: 1,975.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935 : 2,902.48 = 1,317.17 : x
  2. Step 2: Convert to fraction form
    1,935/2,902.48 = 1,317.17/x
  3. Step 3: Cross multiply
    1,935x = 2,902.48 × 1,317.17
  4. Step 4: Simplify right side
    1,935x = 3,823,063.54
  5. Step 5: Solve for x
    x = 3,823,063.54/1,935
  6. Step 6: Final answer
    x = 1,975.74

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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.