Home / 3,280.63-4,527.13-1,788.51

Finding the Fourth Proportional to 3,280.63, 4,527.13 and 1,788.51

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Solution

The fourth proportional to 3,280.63, 4,527.13 and 1,788.51 is: 2,468.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.63 : 4,527.13 = 1,788.51 : x
  2. Step 2: Convert to fraction form
    3,280.63/4,527.13 = 1,788.51/x
  3. Step 3: Cross multiply
    3,280.63x = 4,527.13 × 1,788.51
  4. Step 4: Simplify right side
    3,280.63x = 8,096,817.28
  5. Step 5: Solve for x
    x = 8,096,817.28/3,280.63
  6. Step 6: Final answer
    x = 2,468.07

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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.