Home / 4,080.04-5,631.36-2,661.28

Finding the Fourth Proportional to 4,080.04, 5,631.36 and 2,661.28

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Solution

The fourth proportional to 4,080.04, 5,631.36 and 2,661.28 is: 3,673.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.04 : 5,631.36 = 2,661.28 : x
  2. Step 2: Convert to fraction form
    4,080.04/5,631.36 = 2,661.28/x
  3. Step 3: Cross multiply
    4,080.04x = 5,631.36 × 2,661.28
  4. Step 4: Simplify right side
    4,080.04x = 14,986,625.74
  5. Step 5: Solve for x
    x = 14,986,625.74/4,080.04
  6. Step 6: Final answer
    x = 3,673.16

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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.