Home / 2,776.50-4,143.44-2,480.93

Finding the Fourth Proportional to 2,776.50, 4,143.44 and 2,480.93

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Solution

The fourth proportional to 2,776.50, 4,143.44 and 2,480.93 is: 3,702.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.50 : 4,143.44 = 2,480.93 : x
  2. Step 2: Convert to fraction form
    2,776.50/4,143.44 = 2,480.93/x
  3. Step 3: Cross multiply
    2,776.50x = 4,143.44 × 2,480.93
  4. Step 4: Simplify right side
    2,776.50x = 10,279,585.62
  5. Step 5: Solve for x
    x = 10,279,585.62/2,776.50
  6. Step 6: Final answer
    x = 3,702.35

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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.