Home / 1,459.24-2,014.33-986.91

Finding the Fourth Proportional to 1,459.24, 2,014.33 and 986.91

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Solution

The fourth proportional to 1,459.24, 2,014.33 and 986.91 is: 1,362.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.24 : 2,014.33 = 986.91 : x
  2. Step 2: Convert to fraction form
    1,459.24/2,014.33 = 986.91/x
  3. Step 3: Cross multiply
    1,459.24x = 2,014.33 × 986.91
  4. Step 4: Simplify right side
    1,459.24x = 1,987,961.30
  5. Step 5: Solve for x
    x = 1,987,961.30/1,459.24
  6. Step 6: Final answer
    x = 1,362.33

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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.