Home / 2,242.16-3,360.60-1,008.40

Finding the Fourth Proportional to 2,242.16, 3,360.60 and 1,008.40

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Solution

The fourth proportional to 2,242.16, 3,360.60 and 1,008.40 is: 1,511.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.16 : 3,360.60 = 1,008.40 : x
  2. Step 2: Convert to fraction form
    2,242.16/3,360.60 = 1,008.40/x
  3. Step 3: Cross multiply
    2,242.16x = 3,360.60 × 1,008.40
  4. Step 4: Simplify right side
    2,242.16x = 3,388,829.04
  5. Step 5: Solve for x
    x = 3,388,829.04/2,242.16
  6. Step 6: Final answer
    x = 1,511.41

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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.