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Finding the Fourth Proportional to 3,435.95, 4,741.63 and 1,864.05

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Solution

The fourth proportional to 3,435.95, 4,741.63 and 1,864.05 is: 2,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.95 : 4,741.63 = 1,864.05 : x
  2. Step 2: Convert to fraction form
    3,435.95/4,741.63 = 1,864.05/x
  3. Step 3: Cross multiply
    3,435.95x = 4,741.63 × 1,864.05
  4. Step 4: Simplify right side
    3,435.95x = 8,838,623.45
  5. Step 5: Solve for x
    x = 8,838,623.45/3,435.95
  6. Step 6: Final answer
    x = 2,572.39

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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.