Home / 3,275.45-4,525.43-2,285.15

Finding the Fourth Proportional to 3,275.45, 4,525.43 and 2,285.15

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Solution

The fourth proportional to 3,275.45, 4,525.43 and 2,285.15 is: 3,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.45 : 4,525.43 = 2,285.15 : x
  2. Step 2: Convert to fraction form
    3,275.45/4,525.43 = 2,285.15/x
  3. Step 3: Cross multiply
    3,275.45x = 4,525.43 × 2,285.15
  4. Step 4: Simplify right side
    3,275.45x = 10,341,252.31
  5. Step 5: Solve for x
    x = 10,341,252.31/3,275.45
  6. Step 6: Final answer
    x = 3,157.20

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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.