Home / 2,950.18-4,425.91-1,390.19

Finding the Fourth Proportional to 2,950.18, 4,425.91 and 1,390.19

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Solution

The fourth proportional to 2,950.18, 4,425.91 and 1,390.19 is: 2,085.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.18 : 4,425.91 = 1,390.19 : x
  2. Step 2: Convert to fraction form
    2,950.18/4,425.91 = 1,390.19/x
  3. Step 3: Cross multiply
    2,950.18x = 4,425.91 × 1,390.19
  4. Step 4: Simplify right side
    2,950.18x = 6,152,830.22
  5. Step 5: Solve for x
    x = 6,152,830.22/2,950.18
  6. Step 6: Final answer
    x = 2,085.58

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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.