Home / 3,070.58-4,237.22-1,811.69

Finding the Fourth Proportional to 3,070.58, 4,237.22 and 1,811.69

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Solution

The fourth proportional to 3,070.58, 4,237.22 and 1,811.69 is: 2,500.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.58 : 4,237.22 = 1,811.69 : x
  2. Step 2: Convert to fraction form
    3,070.58/4,237.22 = 1,811.69/x
  3. Step 3: Cross multiply
    3,070.58x = 4,237.22 × 1,811.69
  4. Step 4: Simplify right side
    3,070.58x = 7,676,530.64
  5. Step 5: Solve for x
    x = 7,676,530.64/3,070.58
  6. Step 6: Final answer
    x = 2,500.02

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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.