Home / 2,859.84-4,287.33-2,705.13

Finding the Fourth Proportional to 2,859.84, 4,287.33 and 2,705.13

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Solution

The fourth proportional to 2,859.84, 4,287.33 and 2,705.13 is: 4,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.84 : 4,287.33 = 2,705.13 : x
  2. Step 2: Convert to fraction form
    2,859.84/4,287.33 = 2,705.13/x
  3. Step 3: Cross multiply
    2,859.84x = 4,287.33 × 2,705.13
  4. Step 4: Simplify right side
    2,859.84x = 11,597,785.00
  5. Step 5: Solve for x
    x = 11,597,785.00/2,859.84
  6. Step 6: Final answer
    x = 4,055.40

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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.