Home / 3,703.55-5,108.37-2,378.85

Finding the Fourth Proportional to 3,703.55, 5,108.37 and 2,378.85

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Solution

The fourth proportional to 3,703.55, 5,108.37 and 2,378.85 is: 3,281.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.55 : 5,108.37 = 2,378.85 : x
  2. Step 2: Convert to fraction form
    3,703.55/5,108.37 = 2,378.85/x
  3. Step 3: Cross multiply
    3,703.55x = 5,108.37 × 2,378.85
  4. Step 4: Simplify right side
    3,703.55x = 12,152,045.97
  5. Step 5: Solve for x
    x = 12,152,045.97/3,703.55
  6. Step 6: Final answer
    x = 3,281.19

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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.