Home / 3,113.08-4,655.84-2,768.82

Finding the Fourth Proportional to 3,113.08, 4,655.84 and 2,768.82

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Solution

The fourth proportional to 3,113.08, 4,655.84 and 2,768.82 is: 4,140.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.08 : 4,655.84 = 2,768.82 : x
  2. Step 2: Convert to fraction form
    3,113.08/4,655.84 = 2,768.82/x
  3. Step 3: Cross multiply
    3,113.08x = 4,655.84 × 2,768.82
  4. Step 4: Simplify right side
    3,113.08x = 12,891,182.91
  5. Step 5: Solve for x
    x = 12,891,182.91/3,113.08
  6. Step 6: Final answer
    x = 4,140.97

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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.