Home / 1,771.41-2,445.42-1,372.19

Finding the Fourth Proportional to 1,771.41, 2,445.42 and 1,372.19

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Solution

The fourth proportional to 1,771.41, 2,445.42 and 1,372.19 is: 1,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.41 : 2,445.42 = 1,372.19 : x
  2. Step 2: Convert to fraction form
    1,771.41/2,445.42 = 1,372.19/x
  3. Step 3: Cross multiply
    1,771.41x = 2,445.42 × 1,372.19
  4. Step 4: Simplify right side
    1,771.41x = 3,355,573.79
  5. Step 5: Solve for x
    x = 3,355,573.79/1,771.41
  6. Step 6: Final answer
    x = 1,894.29

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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.