Home / 2,411.60-3,618.36-1,316.24

Finding the Fourth Proportional to 2,411.60, 3,618.36 and 1,316.24

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Solution

The fourth proportional to 2,411.60, 3,618.36 and 1,316.24 is: 1,974.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,411.60 : 3,618.36 = 1,316.24 : x
  2. Step 2: Convert to fraction form
    2,411.60/3,618.36 = 1,316.24/x
  3. Step 3: Cross multiply
    2,411.60x = 3,618.36 × 1,316.24
  4. Step 4: Simplify right side
    2,411.60x = 4,762,630.17
  5. Step 5: Solve for x
    x = 4,762,630.17/2,411.60
  6. Step 6: Final answer
    x = 1,974.88

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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.