Home / 3,991.04-5,510.08-2,575.44

Finding the Fourth Proportional to 3,991.04, 5,510.08 and 2,575.44

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Solution

The fourth proportional to 3,991.04, 5,510.08 and 2,575.44 is: 3,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991.04 : 5,510.08 = 2,575.44 : x
  2. Step 2: Convert to fraction form
    3,991.04/5,510.08 = 2,575.44/x
  3. Step 3: Cross multiply
    3,991.04x = 5,510.08 × 2,575.44
  4. Step 4: Simplify right side
    3,991.04x = 14,190,880.44
  5. Step 5: Solve for x
    x = 14,190,880.44/3,991.04
  6. Step 6: Final answer
    x = 3,555.68

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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.