Home / 2,950.66-4,421.35-1,390.29

Finding the Fourth Proportional to 2,950.66, 4,421.35 and 1,390.29

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Solution

The fourth proportional to 2,950.66, 4,421.35 and 1,390.29 is: 2,083.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.66 : 4,421.35 = 1,390.29 : x
  2. Step 2: Convert to fraction form
    2,950.66/4,421.35 = 1,390.29/x
  3. Step 3: Cross multiply
    2,950.66x = 4,421.35 × 1,390.29
  4. Step 4: Simplify right side
    2,950.66x = 6,146,958.69
  5. Step 5: Solve for x
    x = 6,146,958.69/2,950.66
  6. Step 6: Final answer
    x = 2,083.25

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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.