Home / 1,343.26-1,861.63-1,322.77

Finding the Fourth Proportional to 1,343.26, 1,861.63 and 1,322.77

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Solution

The fourth proportional to 1,343.26, 1,861.63 and 1,322.77 is: 1,833.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.26 : 1,861.63 = 1,322.77 : x
  2. Step 2: Convert to fraction form
    1,343.26/1,861.63 = 1,322.77/x
  3. Step 3: Cross multiply
    1,343.26x = 1,861.63 × 1,322.77
  4. Step 4: Simplify right side
    1,343.26x = 2,462,508.32
  5. Step 5: Solve for x
    x = 2,462,508.32/1,343.26
  6. Step 6: Final answer
    x = 1,833.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.