Home / 3,132.42-4,324.23-1,955.22

Finding the Fourth Proportional to 3,132.42, 4,324.23 and 1,955.22

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Solution

The fourth proportional to 3,132.42, 4,324.23 and 1,955.22 is: 2,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.42 : 4,324.23 = 1,955.22 : x
  2. Step 2: Convert to fraction form
    3,132.42/4,324.23 = 1,955.22/x
  3. Step 3: Cross multiply
    3,132.42x = 4,324.23 × 1,955.22
  4. Step 4: Simplify right side
    3,132.42x = 8,454,820.98
  5. Step 5: Solve for x
    x = 8,454,820.98/3,132.42
  6. Step 6: Final answer
    x = 2,699.13

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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.