Home / 3,814.02-5,720.90-1,040.65

Finding the Fourth Proportional to 3,814.02, 5,720.90 and 1,040.65

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Solution

The fourth proportional to 3,814.02, 5,720.90 and 1,040.65 is: 1,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.02 : 5,720.90 = 1,040.65 : x
  2. Step 2: Convert to fraction form
    3,814.02/5,720.90 = 1,040.65/x
  3. Step 3: Cross multiply
    3,814.02x = 5,720.90 × 1,040.65
  4. Step 4: Simplify right side
    3,814.02x = 5,953,435.08
  5. Step 5: Solve for x
    x = 5,953,435.08/3,814.02
  6. Step 6: Final answer
    x = 1,560.93

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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.