Home / 2,976.48-4,436.64-2,743.20

Finding the Fourth Proportional to 2,976.48, 4,436.64 and 2,743.20

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Solution

The fourth proportional to 2,976.48, 4,436.64 and 2,743.20 is: 4,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.48 : 4,436.64 = 2,743.20 : x
  2. Step 2: Convert to fraction form
    2,976.48/4,436.64 = 2,743.20/x
  3. Step 3: Cross multiply
    2,976.48x = 4,436.64 × 2,743.20
  4. Step 4: Simplify right side
    2,976.48x = 12,170,590.85
  5. Step 5: Solve for x
    x = 12,170,590.85/2,976.48
  6. Step 6: Final answer
    x = 4,088.92

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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.