Home / 3,080.10-4,619.40-888.60

Finding the Fourth Proportional to 3,080.10, 4,619.40 and 888.60

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Solution

The fourth proportional to 3,080.10, 4,619.40 and 888.60 is: 1,332.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.10 : 4,619.40 = 888.60 : x
  2. Step 2: Convert to fraction form
    3,080.10/4,619.40 = 888.60/x
  3. Step 3: Cross multiply
    3,080.10x = 4,619.40 × 888.60
  4. Step 4: Simplify right side
    3,080.10x = 4,104,798.84
  5. Step 5: Solve for x
    x = 4,104,798.84/3,080.10
  6. Step 6: Final answer
    x = 1,332.68

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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.