Home / 1,771.72-2,444.50-1,418.36

Finding the Fourth Proportional to 1,771.72, 2,444.50 and 1,418.36

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Solution

The fourth proportional to 1,771.72, 2,444.50 and 1,418.36 is: 1,956.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.72 : 2,444.50 = 1,418.36 : x
  2. Step 2: Convert to fraction form
    1,771.72/2,444.50 = 1,418.36/x
  3. Step 3: Cross multiply
    1,771.72x = 2,444.50 × 1,418.36
  4. Step 4: Simplify right side
    1,771.72x = 3,467,165.25
  5. Step 5: Solve for x
    x = 3,467,165.25/1,771.72
  6. Step 6: Final answer
    x = 1,956.95

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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.