Home / 2,549.28-3,818.88-2,389.44

Finding the Fourth Proportional to 2,549.28, 3,818.88 and 2,389.44

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Solution

The fourth proportional to 2,549.28, 3,818.88 and 2,389.44 is: 3,579.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.28 : 3,818.88 = 2,389.44 : x
  2. Step 2: Convert to fraction form
    2,549.28/3,818.88 = 2,389.44/x
  3. Step 3: Cross multiply
    2,549.28x = 3,818.88 × 2,389.44
  4. Step 4: Simplify right side
    2,549.28x = 9,124,984.63
  5. Step 5: Solve for x
    x = 9,124,984.63/2,549.28
  6. Step 6: Final answer
    x = 3,579.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.