Home / 1,143.32-1,573.43-1,094.11

Finding the Fourth Proportional to 1,143.32, 1,573.43 and 1,094.11

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Solution

The fourth proportional to 1,143.32, 1,573.43 and 1,094.11 is: 1,505.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143.32 : 1,573.43 = 1,094.11 : x
  2. Step 2: Convert to fraction form
    1,143.32/1,573.43 = 1,094.11/x
  3. Step 3: Cross multiply
    1,143.32x = 1,573.43 × 1,094.11
  4. Step 4: Simplify right side
    1,143.32x = 1,721,496.09
  5. Step 5: Solve for x
    x = 1,721,496.09/1,143.32
  6. Step 6: Final answer
    x = 1,505.71

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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.