Home / 2,378.92-3,284.82-1,881.16

Finding the Fourth Proportional to 2,378.92, 3,284.82 and 1,881.16

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Solution

The fourth proportional to 2,378.92, 3,284.82 and 1,881.16 is: 2,597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.92 : 3,284.82 = 1,881.16 : x
  2. Step 2: Convert to fraction form
    2,378.92/3,284.82 = 1,881.16/x
  3. Step 3: Cross multiply
    2,378.92x = 3,284.82 × 1,881.16
  4. Step 4: Simplify right side
    2,378.92x = 6,179,271.99
  5. Step 5: Solve for x
    x = 6,179,271.99/2,378.92
  6. Step 6: Final answer
    x = 2,597.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.