Home / 1,141.03-1,573.26-972.97

Finding the Fourth Proportional to 1,141.03, 1,573.26 and 972.97

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Solution

The fourth proportional to 1,141.03, 1,573.26 and 972.97 is: 1,341.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141.03 : 1,573.26 = 972.97 : x
  2. Step 2: Convert to fraction form
    1,141.03/1,573.26 = 972.97/x
  3. Step 3: Cross multiply
    1,141.03x = 1,573.26 × 972.97
  4. Step 4: Simplify right side
    1,141.03x = 1,530,734.78
  5. Step 5: Solve for x
    x = 1,530,734.78/1,141.03
  6. Step 6: Final answer
    x = 1,341.54

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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.