Home / 1,726.34-2,589.73-631.22

Finding the Fourth Proportional to 1,726.34, 2,589.73 and 631.22

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Solution

The fourth proportional to 1,726.34, 2,589.73 and 631.22 is: 946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.34 : 2,589.73 = 631.22 : x
  2. Step 2: Convert to fraction form
    1,726.34/2,589.73 = 631.22/x
  3. Step 3: Cross multiply
    1,726.34x = 2,589.73 × 631.22
  4. Step 4: Simplify right side
    1,726.34x = 1,634,674.84
  5. Step 5: Solve for x
    x = 1,634,674.84/1,726.34
  6. Step 6: Final answer
    x = 946.90

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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.