Home / 3,290.18-4,935.56-950.15

Finding the Fourth Proportional to 3,290.18, 4,935.56 and 950.15

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Solution

The fourth proportional to 3,290.18, 4,935.56 and 950.15 is: 1,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.18 : 4,935.56 = 950.15 : x
  2. Step 2: Convert to fraction form
    3,290.18/4,935.56 = 950.15/x
  3. Step 3: Cross multiply
    3,290.18x = 4,935.56 × 950.15
  4. Step 4: Simplify right side
    3,290.18x = 4,689,492.91
  5. Step 5: Solve for x
    x = 4,689,492.91/3,290.18
  6. Step 6: Final answer
    x = 1,425.30

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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.