Home / 3,029.86-4,555.32-2,647.54

Finding the Fourth Proportional to 3,029.86, 4,555.32 and 2,647.54

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Solution

The fourth proportional to 3,029.86, 4,555.32 and 2,647.54 is: 3,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.86 : 4,555.32 = 2,647.54 : x
  2. Step 2: Convert to fraction form
    3,029.86/4,555.32 = 2,647.54/x
  3. Step 3: Cross multiply
    3,029.86x = 4,555.32 × 2,647.54
  4. Step 4: Simplify right side
    3,029.86x = 12,060,391.91
  5. Step 5: Solve for x
    x = 12,060,391.91/3,029.86
  6. Step 6: Final answer
    x = 3,980.51

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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.