Home / 2,630.13-3,950.04-1,765.05

Finding the Fourth Proportional to 2,630.13, 3,950.04 and 1,765.05

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Solution

The fourth proportional to 2,630.13, 3,950.04 and 1,765.05 is: 2,650.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.13 : 3,950.04 = 1,765.05 : x
  2. Step 2: Convert to fraction form
    2,630.13/3,950.04 = 1,765.05/x
  3. Step 3: Cross multiply
    2,630.13x = 3,950.04 × 1,765.05
  4. Step 4: Simplify right side
    2,630.13x = 6,972,018.10
  5. Step 5: Solve for x
    x = 6,972,018.10/2,630.13
  6. Step 6: Final answer
    x = 2,650.83

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1.5x scale

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.