Home / 4,025.80-5,555.30-2,257

Finding the Fourth Proportional to 4,025.80, 5,555.30 and 2,257

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Solution

The fourth proportional to 4,025.80, 5,555.30 and 2,257 is: 3,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,025.80 : 5,555.30 = 2,257 : x
  2. Step 2: Convert to fraction form
    4,025.80/5,555.30 = 2,257/x
  3. Step 3: Cross multiply
    4,025.80x = 5,555.30 × 2,257
  4. Step 4: Simplify right side
    4,025.80x = 12,538,312.10
  5. Step 5: Solve for x
    x = 12,538,312.10/4,025.80
  6. Step 6: Final answer
    x = 3,114.49

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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.