Home / 2,946.23-4,069.40-2,203.49

Finding the Fourth Proportional to 2,946.23, 4,069.40 and 2,203.49

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Solution

The fourth proportional to 2,946.23, 4,069.40 and 2,203.49 is: 3,043.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.23 : 4,069.40 = 2,203.49 : x
  2. Step 2: Convert to fraction form
    2,946.23/4,069.40 = 2,203.49/x
  3. Step 3: Cross multiply
    2,946.23x = 4,069.40 × 2,203.49
  4. Step 4: Simplify right side
    2,946.23x = 8,966,882.21
  5. Step 5: Solve for x
    x = 8,966,882.21/2,946.23
  6. Step 6: Final answer
    x = 3,043.51

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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.