Home / 2,824.88-4,239.47-1,264.28

Finding the Fourth Proportional to 2,824.88, 4,239.47 and 1,264.28

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Solution

The fourth proportional to 2,824.88, 4,239.47 and 1,264.28 is: 1,897.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.88 : 4,239.47 = 1,264.28 : x
  2. Step 2: Convert to fraction form
    2,824.88/4,239.47 = 1,264.28/x
  3. Step 3: Cross multiply
    2,824.88x = 4,239.47 × 1,264.28
  4. Step 4: Simplify right side
    2,824.88x = 5,359,849.61
  5. Step 5: Solve for x
    x = 5,359,849.61/2,824.88
  6. Step 6: Final answer
    x = 1,897.38

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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.