Home / 2,195.71-3,024.95-1,531.37

Finding the Fourth Proportional to 2,195.71, 3,024.95 and 1,531.37

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Solution

The fourth proportional to 2,195.71, 3,024.95 and 1,531.37 is: 2,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.71 : 3,024.95 = 1,531.37 : x
  2. Step 2: Convert to fraction form
    2,195.71/3,024.95 = 1,531.37/x
  3. Step 3: Cross multiply
    2,195.71x = 3,024.95 × 1,531.37
  4. Step 4: Simplify right side
    2,195.71x = 4,632,317.59
  5. Step 5: Solve for x
    x = 4,632,317.59/2,195.71
  6. Step 6: Final answer
    x = 2,109.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.