Home / 3,398.59-4,690.04-1,906.53

Finding the Fourth Proportional to 3,398.59, 4,690.04 and 1,906.53

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Solution

The fourth proportional to 3,398.59, 4,690.04 and 1,906.53 is: 2,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.59 : 4,690.04 = 1,906.53 : x
  2. Step 2: Convert to fraction form
    3,398.59/4,690.04 = 1,906.53/x
  3. Step 3: Cross multiply
    3,398.59x = 4,690.04 × 1,906.53
  4. Step 4: Simplify right side
    3,398.59x = 8,941,701.96
  5. Step 5: Solve for x
    x = 8,941,701.96/3,398.59
  6. Step 6: Final answer
    x = 2,631.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.