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Finding the Fourth Proportional to 3,681.58, 5,522.58 and 1,490.26

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Solution

The fourth proportional to 3,681.58, 5,522.58 and 1,490.26 is: 2,235.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.58 : 5,522.58 = 1,490.26 : x
  2. Step 2: Convert to fraction form
    3,681.58/5,522.58 = 1,490.26/x
  3. Step 3: Cross multiply
    3,681.58x = 5,522.58 × 1,490.26
  4. Step 4: Simplify right side
    3,681.58x = 8,230,080.07
  5. Step 5: Solve for x
    x = 8,230,080.07/3,681.58
  6. Step 6: Final answer
    x = 2,235.48

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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.