Home / 1,955.43-2,946.87-1,832.40

Finding the Fourth Proportional to 1,955.43, 2,946.87 and 1,832.40

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Solution

The fourth proportional to 1,955.43, 2,946.87 and 1,832.40 is: 2,761.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.43 : 2,946.87 = 1,832.40 : x
  2. Step 2: Convert to fraction form
    1,955.43/2,946.87 = 1,832.40/x
  3. Step 3: Cross multiply
    1,955.43x = 2,946.87 × 1,832.40
  4. Step 4: Simplify right side
    1,955.43x = 5,399,844.59
  5. Step 5: Solve for x
    x = 5,399,844.59/1,955.43
  6. Step 6: Final answer
    x = 2,761.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.