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Finding the Fourth Proportional to 3,653.07, 5,479.59 and 1,462.31

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Solution

The fourth proportional to 3,653.07, 5,479.59 and 1,462.31 is: 2,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.07 : 5,479.59 = 1,462.31 : x
  2. Step 2: Convert to fraction form
    3,653.07/5,479.59 = 1,462.31/x
  3. Step 3: Cross multiply
    3,653.07x = 5,479.59 × 1,462.31
  4. Step 4: Simplify right side
    3,653.07x = 8,012,859.25
  5. Step 5: Solve for x
    x = 8,012,859.25/3,653.07
  6. Step 6: Final answer
    x = 2,193.46

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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.