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Finding the Fourth Proportional to 3,435.89, 4,741.53 and 1,863.99

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Solution

The fourth proportional to 3,435.89, 4,741.53 and 1,863.99 is: 2,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.89 : 4,741.53 = 1,863.99 : x
  2. Step 2: Convert to fraction form
    3,435.89/4,741.53 = 1,863.99/x
  3. Step 3: Cross multiply
    3,435.89x = 4,741.53 × 1,863.99
  4. Step 4: Simplify right side
    3,435.89x = 8,838,164.50
  5. Step 5: Solve for x
    x = 8,838,164.50/3,435.89
  6. Step 6: Final answer
    x = 2,572.31

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1.5x scale

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.