Home / 2,864.96-4,292.80-2,039.36

Finding the Fourth Proportional to 2,864.96, 4,292.80 and 2,039.36

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Solution

The fourth proportional to 2,864.96, 4,292.80 and 2,039.36 is: 3,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.96 : 4,292.80 = 2,039.36 : x
  2. Step 2: Convert to fraction form
    2,864.96/4,292.80 = 2,039.36/x
  3. Step 3: Cross multiply
    2,864.96x = 4,292.80 × 2,039.36
  4. Step 4: Simplify right side
    2,864.96x = 8,754,564.61
  5. Step 5: Solve for x
    x = 8,754,564.61/2,864.96
  6. Step 6: Final answer
    x = 3,055.74

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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.