Home / 3,531.98-5,291.90-2,490.12

Finding the Fourth Proportional to 3,531.98, 5,291.90 and 2,490.12

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Solution

The fourth proportional to 3,531.98, 5,291.90 and 2,490.12 is: 3,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.98 : 5,291.90 = 2,490.12 : x
  2. Step 2: Convert to fraction form
    3,531.98/5,291.90 = 2,490.12/x
  3. Step 3: Cross multiply
    3,531.98x = 5,291.90 × 2,490.12
  4. Step 4: Simplify right side
    3,531.98x = 13,177,466.03
  5. Step 5: Solve for x
    x = 13,177,466.03/3,531.98
  6. Step 6: Final answer
    x = 3,730.90

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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.