Home / 3,609.35-4,980.85-2,037.45

Finding the Fourth Proportional to 3,609.35, 4,980.85 and 2,037.45

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Solution

The fourth proportional to 3,609.35, 4,980.85 and 2,037.45 is: 2,811.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.35 : 4,980.85 = 2,037.45 : x
  2. Step 2: Convert to fraction form
    3,609.35/4,980.85 = 2,037.45/x
  3. Step 3: Cross multiply
    3,609.35x = 4,980.85 × 2,037.45
  4. Step 4: Simplify right side
    3,609.35x = 10,148,232.83
  5. Step 5: Solve for x
    x = 10,148,232.83/3,609.35
  6. Step 6: Final answer
    x = 2,811.65

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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.