Home / 1,727.91-2,589.54-631.23

Finding the Fourth Proportional to 1,727.91, 2,589.54 and 631.23

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Solution

The fourth proportional to 1,727.91, 2,589.54 and 631.23 is: 946.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.91 : 2,589.54 = 631.23 : x
  2. Step 2: Convert to fraction form
    1,727.91/2,589.54 = 631.23/x
  3. Step 3: Cross multiply
    1,727.91x = 2,589.54 × 631.23
  4. Step 4: Simplify right side
    1,727.91x = 1,634,595.33
  5. Step 5: Solve for x
    x = 1,634,595.33/1,727.91
  6. Step 6: Final answer
    x = 946.00

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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.