Home / 3,377.40-4,660.77-1,885.28

Finding the Fourth Proportional to 3,377.40, 4,660.77 and 1,885.28

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Solution

The fourth proportional to 3,377.40, 4,660.77 and 1,885.28 is: 2,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.40 : 4,660.77 = 1,885.28 : x
  2. Step 2: Convert to fraction form
    3,377.40/4,660.77 = 1,885.28/x
  3. Step 3: Cross multiply
    3,377.40x = 4,660.77 × 1,885.28
  4. Step 4: Simplify right side
    3,377.40x = 8,786,840.23
  5. Step 5: Solve for x
    x = 8,786,840.23/3,377.40
  6. Step 6: Final answer
    x = 2,601.66

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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.