Home / 3,445.90-4,755.34-1,873.98

Finding the Fourth Proportional to 3,445.90, 4,755.34 and 1,873.98

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Solution

The fourth proportional to 3,445.90, 4,755.34 and 1,873.98 is: 2,586.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.90 : 4,755.34 = 1,873.98 : x
  2. Step 2: Convert to fraction form
    3,445.90/4,755.34 = 1,873.98/x
  3. Step 3: Cross multiply
    3,445.90x = 4,755.34 × 1,873.98
  4. Step 4: Simplify right side
    3,445.90x = 8,911,412.05
  5. Step 5: Solve for x
    x = 8,911,412.05/3,445.90
  6. Step 6: Final answer
    x = 2,586.09

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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.