Home / 1,631.73-2,449.46-1,240.77

Finding the Fourth Proportional to 1,631.73, 2,449.46 and 1,240.77

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Solution

The fourth proportional to 1,631.73, 2,449.46 and 1,240.77 is: 1,862.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.73 : 2,449.46 = 1,240.77 : x
  2. Step 2: Convert to fraction form
    1,631.73/2,449.46 = 1,240.77/x
  3. Step 3: Cross multiply
    1,631.73x = 2,449.46 × 1,240.77
  4. Step 4: Simplify right side
    1,631.73x = 3,039,210.28
  5. Step 5: Solve for x
    x = 3,039,210.28/1,631.73
  6. Step 6: Final answer
    x = 1,862.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.