Home / 3,123.18-4,684.86-1,735.74

Finding the Fourth Proportional to 3,123.18, 4,684.86 and 1,735.74

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Solution

The fourth proportional to 3,123.18, 4,684.86 and 1,735.74 is: 2,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.18 : 4,684.86 = 1,735.74 : x
  2. Step 2: Convert to fraction form
    3,123.18/4,684.86 = 1,735.74/x
  3. Step 3: Cross multiply
    3,123.18x = 4,684.86 × 1,735.74
  4. Step 4: Simplify right side
    3,123.18x = 8,131,698.90
  5. Step 5: Solve for x
    x = 8,131,698.90/3,123.18
  6. Step 6: Final answer
    x = 2,603.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.