Home / 2,471.25-3,411.57-1,910.45

Finding the Fourth Proportional to 2,471.25, 3,411.57 and 1,910.45

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Solution

The fourth proportional to 2,471.25, 3,411.57 and 1,910.45 is: 2,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.25 : 3,411.57 = 1,910.45 : x
  2. Step 2: Convert to fraction form
    2,471.25/3,411.57 = 1,910.45/x
  3. Step 3: Cross multiply
    2,471.25x = 3,411.57 × 1,910.45
  4. Step 4: Simplify right side
    2,471.25x = 6,517,629.13
  5. Step 5: Solve for x
    x = 6,517,629.13/2,471.25
  6. Step 6: Final answer
    x = 2,637.38

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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.