Home / 3,280.83-4,526.33-2,102.55

Finding the Fourth Proportional to 3,280.83, 4,526.33 and 2,102.55

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Solution

The fourth proportional to 3,280.83, 4,526.33 and 2,102.55 is: 2,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.83 : 4,526.33 = 2,102.55 : x
  2. Step 2: Convert to fraction form
    3,280.83/4,526.33 = 2,102.55/x
  3. Step 3: Cross multiply
    3,280.83x = 4,526.33 × 2,102.55
  4. Step 4: Simplify right side
    3,280.83x = 9,516,824.63
  5. Step 5: Solve for x
    x = 9,516,824.63/3,280.83
  6. Step 6: Final answer
    x = 2,900.74

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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.