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Finding the Fourth Proportional to 2,461.88, 3,690.08 and 1,230.32

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Solution

The fourth proportional to 2,461.88, 3,690.08 and 1,230.32 is: 1,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.88 : 3,690.08 = 1,230.32 : x
  2. Step 2: Convert to fraction form
    2,461.88/3,690.08 = 1,230.32/x
  3. Step 3: Cross multiply
    2,461.88x = 3,690.08 × 1,230.32
  4. Step 4: Simplify right side
    2,461.88x = 4,539,954.62
  5. Step 5: Solve for x
    x = 4,539,954.62/2,461.88
  6. Step 6: Final answer
    x = 1,844.10

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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.