Home / 3,176.10-4,769.55-2,355.30

Finding the Fourth Proportional to 3,176.10, 4,769.55 and 2,355.30

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Solution

The fourth proportional to 3,176.10, 4,769.55 and 2,355.30 is: 3,536.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.10 : 4,769.55 = 2,355.30 : x
  2. Step 2: Convert to fraction form
    3,176.10/4,769.55 = 2,355.30/x
  3. Step 3: Cross multiply
    3,176.10x = 4,769.55 × 2,355.30
  4. Step 4: Simplify right side
    3,176.10x = 11,233,721.12
  5. Step 5: Solve for x
    x = 11,233,721.12/3,176.10
  6. Step 6: Final answer
    x = 3,536.95

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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.