Home / 2,541.21-3,798.29-2,209.47

Finding the Fourth Proportional to 2,541.21, 3,798.29 and 2,209.47

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Solution

The fourth proportional to 2,541.21, 3,798.29 and 2,209.47 is: 3,302.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.21 : 3,798.29 = 2,209.47 : x
  2. Step 2: Convert to fraction form
    2,541.21/3,798.29 = 2,209.47/x
  3. Step 3: Cross multiply
    2,541.21x = 3,798.29 × 2,209.47
  4. Step 4: Simplify right side
    2,541.21x = 8,392,196.76
  5. Step 5: Solve for x
    x = 8,392,196.76/2,541.21
  6. Step 6: Final answer
    x = 3,302.44

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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.