Home / 3,280.84-4,923.18-1,432.22

Finding the Fourth Proportional to 3,280.84, 4,923.18 and 1,432.22

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Solution

The fourth proportional to 3,280.84, 4,923.18 and 1,432.22 is: 2,149.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.84 : 4,923.18 = 1,432.22 : x
  2. Step 2: Convert to fraction form
    3,280.84/4,923.18 = 1,432.22/x
  3. Step 3: Cross multiply
    3,280.84x = 4,923.18 × 1,432.22
  4. Step 4: Simplify right side
    3,280.84x = 7,051,052.24
  5. Step 5: Solve for x
    x = 7,051,052.24/3,280.84
  6. Step 6: Final answer
    x = 2,149.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.