Home / 2,985.26-4,473.78-1,521.33

Finding the Fourth Proportional to 2,985.26, 4,473.78 and 1,521.33

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Solution

The fourth proportional to 2,985.26, 4,473.78 and 1,521.33 is: 2,279.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.26 : 4,473.78 = 1,521.33 : x
  2. Step 2: Convert to fraction form
    2,985.26/4,473.78 = 1,521.33/x
  3. Step 3: Cross multiply
    2,985.26x = 4,473.78 × 1,521.33
  4. Step 4: Simplify right side
    2,985.26x = 6,806,106.97
  5. Step 5: Solve for x
    x = 6,806,106.97/2,985.26
  6. Step 6: Final answer
    x = 2,279.91

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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.