Home / 1,125.45-1,672.99-1,092.23

Finding the Fourth Proportional to 1,125.45, 1,672.99 and 1,092.23

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Solution

The fourth proportional to 1,125.45, 1,672.99 and 1,092.23 is: 1,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125.45 : 1,672.99 = 1,092.23 : x
  2. Step 2: Convert to fraction form
    1,125.45/1,672.99 = 1,092.23/x
  3. Step 3: Cross multiply
    1,125.45x = 1,672.99 × 1,092.23
  4. Step 4: Simplify right side
    1,125.45x = 1,827,285.05
  5. Step 5: Solve for x
    x = 1,827,285.05/1,125.45
  6. Step 6: Final answer
    x = 1,623.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.