Home / 3,278.02-4,520.52-2,530.80

Finding the Fourth Proportional to 3,278.02, 4,520.52 and 2,530.80

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Solution

The fourth proportional to 3,278.02, 4,520.52 and 2,530.80 is: 3,490.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.02 : 4,520.52 = 2,530.80 : x
  2. Step 2: Convert to fraction form
    3,278.02/4,520.52 = 2,530.80/x
  3. Step 3: Cross multiply
    3,278.02x = 4,520.52 × 2,530.80
  4. Step 4: Simplify right side
    3,278.02x = 11,440,532.02
  5. Step 5: Solve for x
    x = 11,440,532.02/3,278.02
  6. Step 6: Final answer
    x = 3,490.07

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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.