Home / 3,132.19-4,322.82-1,953.46

Finding the Fourth Proportional to 3,132.19, 4,322.82 and 1,953.46

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Solution

The fourth proportional to 3,132.19, 4,322.82 and 1,953.46 is: 2,696.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.19 : 4,322.82 = 1,953.46 : x
  2. Step 2: Convert to fraction form
    3,132.19/4,322.82 = 1,953.46/x
  3. Step 3: Cross multiply
    3,132.19x = 4,322.82 × 1,953.46
  4. Step 4: Simplify right side
    3,132.19x = 8,444,455.96
  5. Step 5: Solve for x
    x = 8,444,455.96/3,132.19
  6. Step 6: Final answer
    x = 2,696.02

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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.