Home / 2,825.29-4,237.94-1,988.93

Finding the Fourth Proportional to 2,825.29, 4,237.94 and 1,988.93

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Solution

The fourth proportional to 2,825.29, 4,237.94 and 1,988.93 is: 2,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.29 : 4,237.94 = 1,988.93 : x
  2. Step 2: Convert to fraction form
    2,825.29/4,237.94 = 1,988.93/x
  3. Step 3: Cross multiply
    2,825.29x = 4,237.94 × 1,988.93
  4. Step 4: Simplify right side
    2,825.29x = 8,428,966.00
  5. Step 5: Solve for x
    x = 8,428,966.00/2,825.29
  6. Step 6: Final answer
    x = 2,983.40

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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.