Home / 2,950.60-4,425.82-1,390.22

Finding the Fourth Proportional to 2,950.60, 4,425.82 and 1,390.22

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Solution

The fourth proportional to 2,950.60, 4,425.82 and 1,390.22 is: 2,085.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.60 : 4,425.82 = 1,390.22 : x
  2. Step 2: Convert to fraction form
    2,950.60/4,425.82 = 1,390.22/x
  3. Step 3: Cross multiply
    2,950.60x = 4,425.82 × 1,390.22
  4. Step 4: Simplify right side
    2,950.60x = 6,152,863.48
  5. Step 5: Solve for x
    x = 6,152,863.48/2,950.60
  6. Step 6: Final answer
    x = 2,085.29

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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.