Home / 3,748.65-5,619.00-1,407.14

Finding the Fourth Proportional to 3,748.65, 5,619.00 and 1,407.14

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Solution

The fourth proportional to 3,748.65, 5,619.00 and 1,407.14 is: 2,109.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.65 : 5,619.00 = 1,407.14 : x
  2. Step 2: Convert to fraction form
    3,748.65/5,619.00 = 1,407.14/x
  3. Step 3: Cross multiply
    3,748.65x = 5,619.00 × 1,407.14
  4. Step 4: Simplify right side
    3,748.65x = 7,906,717.91
  5. Step 5: Solve for x
    x = 7,906,717.91/3,748.65
  6. Step 6: Final answer
    x = 2,109.22

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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.