Home / 3,390.12-5,086.02-1,050

Finding the Fourth Proportional to 3,390.12, 5,086.02 and 1,050

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Solution

The fourth proportional to 3,390.12, 5,086.02 and 1,050 is: 1,575.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.12 : 5,086.02 = 1,050 : x
  2. Step 2: Convert to fraction form
    3,390.12/5,086.02 = 1,050/x
  3. Step 3: Cross multiply
    3,390.12x = 5,086.02 × 1,050
  4. Step 4: Simplify right side
    3,390.12x = 5,340,321
  5. Step 5: Solve for x
    x = 5,340,321/3,390.12
  6. Step 6: Final answer
    x = 1,575.26

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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.