Home / 2,752.20-4,115.34-2,056.68

Finding the Fourth Proportional to 2,752.20, 4,115.34 and 2,056.68

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Solution

The fourth proportional to 2,752.20, 4,115.34 and 2,056.68 is: 3,075.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.20 : 4,115.34 = 2,056.68 : x
  2. Step 2: Convert to fraction form
    2,752.20/4,115.34 = 2,056.68/x
  3. Step 3: Cross multiply
    2,752.20x = 4,115.34 × 2,056.68
  4. Step 4: Simplify right side
    2,752.20x = 8,463,937.47
  5. Step 5: Solve for x
    x = 8,463,937.47/2,752.20
  6. Step 6: Final answer
    x = 3,075.34

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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.