Home / 3,013.95-4,513.91-2,930.90

Finding the Fourth Proportional to 3,013.95, 4,513.91 and 2,930.90

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Solution

The fourth proportional to 3,013.95, 4,513.91 and 2,930.90 is: 4,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.95 : 4,513.91 = 2,930.90 : x
  2. Step 2: Convert to fraction form
    3,013.95/4,513.91 = 2,930.90/x
  3. Step 3: Cross multiply
    3,013.95x = 4,513.91 × 2,930.90
  4. Step 4: Simplify right side
    3,013.95x = 13,229,815.45
  5. Step 5: Solve for x
    x = 13,229,815.45/3,013.95
  6. Step 6: Final answer
    x = 4,389.53

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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.