Home / 3,290.07-4,935.10-950.21

Finding the Fourth Proportional to 3,290.07, 4,935.10 and 950.21

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Solution

The fourth proportional to 3,290.07, 4,935.10 and 950.21 is: 1,425.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.07 : 4,935.10 = 950.21 : x
  2. Step 2: Convert to fraction form
    3,290.07/4,935.10 = 950.21/x
  3. Step 3: Cross multiply
    3,290.07x = 4,935.10 × 950.21
  4. Step 4: Simplify right side
    3,290.07x = 4,689,363.40
  5. Step 5: Solve for x
    x = 4,689,363.40/3,290.07
  6. Step 6: Final answer
    x = 1,425.31

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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.