Home / 4,209.80-5,803.46-2,946.96

Finding the Fourth Proportional to 4,209.80, 5,803.46 and 2,946.96

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Solution

The fourth proportional to 4,209.80, 5,803.46 and 2,946.96 is: 4,062.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.80 : 5,803.46 = 2,946.96 : x
  2. Step 2: Convert to fraction form
    4,209.80/5,803.46 = 2,946.96/x
  3. Step 3: Cross multiply
    4,209.80x = 5,803.46 × 2,946.96
  4. Step 4: Simplify right side
    4,209.80x = 17,102,564.48
  5. Step 5: Solve for x
    x = 17,102,564.48/4,209.80
  6. Step 6: Final answer
    x = 4,062.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.