Home / 1,727.60-2,587.26-946.43

Finding the Fourth Proportional to 1,727.60, 2,587.26 and 946.43

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Solution

The fourth proportional to 1,727.60, 2,587.26 and 946.43 is: 1,417.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.60 : 2,587.26 = 946.43 : x
  2. Step 2: Convert to fraction form
    1,727.60/2,587.26 = 946.43/x
  3. Step 3: Cross multiply
    1,727.60x = 2,587.26 × 946.43
  4. Step 4: Simplify right side
    1,727.60x = 2,448,660.48
  5. Step 5: Solve for x
    x = 2,448,660.48/1,727.60
  6. Step 6: Final answer
    x = 1,417.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.