Home / 3,445.90-4,755.40-1,874.04

Finding the Fourth Proportional to 3,445.90, 4,755.40 and 1,874.04

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Solution

The fourth proportional to 3,445.90, 4,755.40 and 1,874.04 is: 2,586.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.90 : 4,755.40 = 1,874.04 : x
  2. Step 2: Convert to fraction form
    3,445.90/4,755.40 = 1,874.04/x
  3. Step 3: Cross multiply
    3,445.90x = 4,755.40 × 1,874.04
  4. Step 4: Simplify right side
    3,445.90x = 8,911,809.82
  5. Step 5: Solve for x
    x = 8,911,809.82/3,445.90
  6. Step 6: Final answer
    x = 2,586.21

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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.