Home / 3,020.71-4,531.79-1,264.74

Finding the Fourth Proportional to 3,020.71, 4,531.79 and 1,264.74

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Solution

The fourth proportional to 3,020.71, 4,531.79 and 1,264.74 is: 1,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.71 : 4,531.79 = 1,264.74 : x
  2. Step 2: Convert to fraction form
    3,020.71/4,531.79 = 1,264.74/x
  3. Step 3: Cross multiply
    3,020.71x = 4,531.79 × 1,264.74
  4. Step 4: Simplify right side
    3,020.71x = 5,731,536.08
  5. Step 5: Solve for x
    x = 5,731,536.08/3,020.71
  6. Step 6: Final answer
    x = 1,897.41

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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.