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Finding the Fourth Proportional to 2,614.58, 3,609.34 and 1,681.46

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Solution

The fourth proportional to 2,614.58, 3,609.34 and 1,681.46 is: 2,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.58 : 3,609.34 = 1,681.46 : x
  2. Step 2: Convert to fraction form
    2,614.58/3,609.34 = 1,681.46/x
  3. Step 3: Cross multiply
    2,614.58x = 3,609.34 × 1,681.46
  4. Step 4: Simplify right side
    2,614.58x = 6,068,960.84
  5. Step 5: Solve for x
    x = 6,068,960.84/2,614.58
  6. Step 6: Final answer
    x = 2,321.20

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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.