Home / 3,210.50-4,811.42-1,453.32

Finding the Fourth Proportional to 3,210.50, 4,811.42 and 1,453.32

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Solution

The fourth proportional to 3,210.50, 4,811.42 and 1,453.32 is: 2,178.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.50 : 4,811.42 = 1,453.32 : x
  2. Step 2: Convert to fraction form
    3,210.50/4,811.42 = 1,453.32/x
  3. Step 3: Cross multiply
    3,210.50x = 4,811.42 × 1,453.32
  4. Step 4: Simplify right side
    3,210.50x = 6,992,536.55
  5. Step 5: Solve for x
    x = 6,992,536.55/3,210.50
  6. Step 6: Final answer
    x = 2,178.02

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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.