Home / 3,281.07-4,527.85-1,788.99

Finding the Fourth Proportional to 3,281.07, 4,527.85 and 1,788.99

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Solution

The fourth proportional to 3,281.07, 4,527.85 and 1,788.99 is: 2,468.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.07 : 4,527.85 = 1,788.99 : x
  2. Step 2: Convert to fraction form
    3,281.07/4,527.85 = 1,788.99/x
  3. Step 3: Cross multiply
    3,281.07x = 4,527.85 × 1,788.99
  4. Step 4: Simplify right side
    3,281.07x = 8,100,278.37
  5. Step 5: Solve for x
    x = 8,100,278.37/3,281.07
  6. Step 6: Final answer
    x = 2,468.79

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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.