Home / 3,117.77-4,653.84-2,748.72

Finding the Fourth Proportional to 3,117.77, 4,653.84 and 2,748.72

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Solution

The fourth proportional to 3,117.77, 4,653.84 and 2,748.72 is: 4,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.77 : 4,653.84 = 2,748.72 : x
  2. Step 2: Convert to fraction form
    3,117.77/4,653.84 = 2,748.72/x
  3. Step 3: Cross multiply
    3,117.77x = 4,653.84 × 2,748.72
  4. Step 4: Simplify right side
    3,117.77x = 12,792,092.78
  5. Step 5: Solve for x
    x = 12,792,092.78/3,117.77
  6. Step 6: Final answer
    x = 4,102.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.