Home / 1,813.46-2,502.97-1,105.55

Finding the Fourth Proportional to 1,813.46, 2,502.97 and 1,105.55

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Solution

The fourth proportional to 1,813.46, 2,502.97 and 1,105.55 is: 1,525.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.46 : 2,502.97 = 1,105.55 : x
  2. Step 2: Convert to fraction form
    1,813.46/2,502.97 = 1,105.55/x
  3. Step 3: Cross multiply
    1,813.46x = 2,502.97 × 1,105.55
  4. Step 4: Simplify right side
    1,813.46x = 2,767,152.59
  5. Step 5: Solve for x
    x = 2,767,152.59/1,813.46
  6. Step 6: Final answer
    x = 1,525.90

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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.