Home / 3,143.64-4,338.22-1,746.38

Finding the Fourth Proportional to 3,143.64, 4,338.22 and 1,746.38

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Solution

The fourth proportional to 3,143.64, 4,338.22 and 1,746.38 is: 2,410.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.64 : 4,338.22 = 1,746.38 : x
  2. Step 2: Convert to fraction form
    3,143.64/4,338.22 = 1,746.38/x
  3. Step 3: Cross multiply
    3,143.64x = 4,338.22 × 1,746.38
  4. Step 4: Simplify right side
    3,143.64x = 7,576,180.64
  5. Step 5: Solve for x
    x = 7,576,180.64/3,143.64
  6. Step 6: Final answer
    x = 2,410.00

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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.