Home / 3,780.10-5,672.38-1,588.66

Finding the Fourth Proportional to 3,780.10, 5,672.38 and 1,588.66

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Solution

The fourth proportional to 3,780.10, 5,672.38 and 1,588.66 is: 2,383.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.10 : 5,672.38 = 1,588.66 : x
  2. Step 2: Convert to fraction form
    3,780.10/5,672.38 = 1,588.66/x
  3. Step 3: Cross multiply
    3,780.10x = 5,672.38 × 1,588.66
  4. Step 4: Simplify right side
    3,780.10x = 9,011,483.21
  5. Step 5: Solve for x
    x = 9,011,483.21/3,780.10
  6. Step 6: Final answer
    x = 2,383.93

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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.