Home / 1,479.31-2,220.33-1,174.51

Finding the Fourth Proportional to 1,479.31, 2,220.33 and 1,174.51

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Solution

The fourth proportional to 1,479.31, 2,220.33 and 1,174.51 is: 1,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.31 : 2,220.33 = 1,174.51 : x
  2. Step 2: Convert to fraction form
    1,479.31/2,220.33 = 1,174.51/x
  3. Step 3: Cross multiply
    1,479.31x = 2,220.33 × 1,174.51
  4. Step 4: Simplify right side
    1,479.31x = 2,607,799.79
  5. Step 5: Solve for x
    x = 2,607,799.79/1,479.31
  6. Step 6: Final answer
    x = 1,762.85

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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.