Home / 2,650.19-3,657.38-1,531.27

Finding the Fourth Proportional to 2,650.19, 3,657.38 and 1,531.27

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Solution

The fourth proportional to 2,650.19, 3,657.38 and 1,531.27 is: 2,113.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.19 : 3,657.38 = 1,531.27 : x
  2. Step 2: Convert to fraction form
    2,650.19/3,657.38 = 1,531.27/x
  3. Step 3: Cross multiply
    2,650.19x = 3,657.38 × 1,531.27
  4. Step 4: Simplify right side
    2,650.19x = 5,600,436.27
  5. Step 5: Solve for x
    x = 5,600,436.27/2,650.19
  6. Step 6: Final answer
    x = 2,113.22

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1.5x scale

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.