Home / 3,210.78-4,810.68-2,594.78

Finding the Fourth Proportional to 3,210.78, 4,810.68 and 2,594.78

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Solution

The fourth proportional to 3,210.78, 4,810.68 and 2,594.78 is: 3,887.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.78 : 4,810.68 = 2,594.78 : x
  2. Step 2: Convert to fraction form
    3,210.78/4,810.68 = 2,594.78/x
  3. Step 3: Cross multiply
    3,210.78x = 4,810.68 × 2,594.78
  4. Step 4: Simplify right side
    3,210.78x = 12,482,632.20
  5. Step 5: Solve for x
    x = 12,482,632.20/3,210.78
  6. Step 6: Final answer
    x = 3,887.73

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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.