Home / 1,250.61-1,722.96-1,192.29

Finding the Fourth Proportional to 1,250.61, 1,722.96 and 1,192.29

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Solution

The fourth proportional to 1,250.61, 1,722.96 and 1,192.29 is: 1,642.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250.61 : 1,722.96 = 1,192.29 : x
  2. Step 2: Convert to fraction form
    1,250.61/1,722.96 = 1,192.29/x
  3. Step 3: Cross multiply
    1,250.61x = 1,722.96 × 1,192.29
  4. Step 4: Simplify right side
    1,250.61x = 2,054,267.98
  5. Step 5: Solve for x
    x = 2,054,267.98/1,250.61
  6. Step 6: Final answer
    x = 1,642.61

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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.