Home / 3,280.32-4,923.36-1,434.24

Finding the Fourth Proportional to 3,280.32, 4,923.36 and 1,434.24

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Solution

The fourth proportional to 3,280.32, 4,923.36 and 1,434.24 is: 2,152.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.32 : 4,923.36 = 1,434.24 : x
  2. Step 2: Convert to fraction form
    3,280.32/4,923.36 = 1,434.24/x
  3. Step 3: Cross multiply
    3,280.32x = 4,923.36 × 1,434.24
  4. Step 4: Simplify right side
    3,280.32x = 7,061,279.85
  5. Step 5: Solve for x
    x = 7,061,279.85/3,280.32
  6. Step 6: Final answer
    x = 2,152.62

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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.