Home / 3,070.35-4,232.62-2,124.70

Finding the Fourth Proportional to 3,070.35, 4,232.62 and 2,124.70

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Solution

The fourth proportional to 3,070.35, 4,232.62 and 2,124.70 is: 2,928.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.35 : 4,232.62 = 2,124.70 : x
  2. Step 2: Convert to fraction form
    3,070.35/4,232.62 = 2,124.70/x
  3. Step 3: Cross multiply
    3,070.35x = 4,232.62 × 2,124.70
  4. Step 4: Simplify right side
    3,070.35x = 8,993,015.93
  5. Step 5: Solve for x
    x = 8,993,015.93/3,070.35
  6. Step 6: Final answer
    x = 2,928.99

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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.