Home / 3,280.41-4,525.83-2,102.13

Finding the Fourth Proportional to 3,280.41, 4,525.83 and 2,102.13

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Solution

The fourth proportional to 3,280.41, 4,525.83 and 2,102.13 is: 2,900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.41 : 4,525.83 = 2,102.13 : x
  2. Step 2: Convert to fraction form
    3,280.41/4,525.83 = 2,102.13/x
  3. Step 3: Cross multiply
    3,280.41x = 4,525.83 × 2,102.13
  4. Step 4: Simplify right side
    3,280.41x = 9,513,883.02
  5. Step 5: Solve for x
    x = 9,513,883.02/3,280.41
  6. Step 6: Final answer
    x = 2,900.21

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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.