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Finding the Fourth Proportional to 3,602.67, 5,392.26 and 1,955.13

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Solution

The fourth proportional to 3,602.67, 5,392.26 and 1,955.13 is: 2,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.67 : 5,392.26 = 1,955.13 : x
  2. Step 2: Convert to fraction form
    3,602.67/5,392.26 = 1,955.13/x
  3. Step 3: Cross multiply
    3,602.67x = 5,392.26 × 1,955.13
  4. Step 4: Simplify right side
    3,602.67x = 10,542,569.29
  5. Step 5: Solve for x
    x = 10,542,569.29/3,602.67
  6. Step 6: Final answer
    x = 2,926.32

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1.5x scale

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.