Home / 1,811.49-2,500.26-1,180.92

Finding the Fourth Proportional to 1,811.49, 2,500.26 and 1,180.92

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Solution

The fourth proportional to 1,811.49, 2,500.26 and 1,180.92 is: 1,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.49 : 2,500.26 = 1,180.92 : x
  2. Step 2: Convert to fraction form
    1,811.49/2,500.26 = 1,180.92/x
  3. Step 3: Cross multiply
    1,811.49x = 2,500.26 × 1,180.92
  4. Step 4: Simplify right side
    1,811.49x = 2,952,607.04
  5. Step 5: Solve for x
    x = 2,952,607.04/1,811.49
  6. Step 6: Final answer
    x = 1,629.93

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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.