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Finding the Fourth Proportional to 2,893.78, 4,341.15 and 1,354.78

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Solution

The fourth proportional to 2,893.78, 4,341.15 and 1,354.78 is: 2,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.78 : 4,341.15 = 1,354.78 : x
  2. Step 2: Convert to fraction form
    2,893.78/4,341.15 = 1,354.78/x
  3. Step 3: Cross multiply
    2,893.78x = 4,341.15 × 1,354.78
  4. Step 4: Simplify right side
    2,893.78x = 5,881,303.20
  5. Step 5: Solve for x
    x = 5,881,303.20/2,893.78
  6. Step 6: Final answer
    x = 2,032.39

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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.