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Finding the Fourth Proportional to 2,673.71, 4,011.24 and 1,113.19

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Solution

The fourth proportional to 2,673.71, 4,011.24 and 1,113.19 is: 1,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.71 : 4,011.24 = 1,113.19 : x
  2. Step 2: Convert to fraction form
    2,673.71/4,011.24 = 1,113.19/x
  3. Step 3: Cross multiply
    2,673.71x = 4,011.24 × 1,113.19
  4. Step 4: Simplify right side
    2,673.71x = 4,465,272.26
  5. Step 5: Solve for x
    x = 4,465,272.26/2,673.71
  6. Step 6: Final answer
    x = 1,670.07

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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.