Home / 3,070.60-4,236.09-2,175.67

Finding the Fourth Proportional to 3,070.60, 4,236.09 and 2,175.67

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Solution

The fourth proportional to 3,070.60, 4,236.09 and 2,175.67 is: 3,001.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.60 : 4,236.09 = 2,175.67 : x
  2. Step 2: Convert to fraction form
    3,070.60/4,236.09 = 2,175.67/x
  3. Step 3: Cross multiply
    3,070.60x = 4,236.09 × 2,175.67
  4. Step 4: Simplify right side
    3,070.60x = 9,216,333.93
  5. Step 5: Solve for x
    x = 9,216,333.93/3,070.60
  6. Step 6: Final answer
    x = 3,001.48

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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.