Home / 3,070.14-4,236.81-1,672.89

Finding the Fourth Proportional to 3,070.14, 4,236.81 and 1,672.89

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Solution

The fourth proportional to 3,070.14, 4,236.81 and 1,672.89 is: 2,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.14 : 4,236.81 = 1,672.89 : x
  2. Step 2: Convert to fraction form
    3,070.14/4,236.81 = 1,672.89/x
  3. Step 3: Cross multiply
    3,070.14x = 4,236.81 × 1,672.89
  4. Step 4: Simplify right side
    3,070.14x = 7,087,717.08
  5. Step 5: Solve for x
    x = 7,087,717.08/3,070.14
  6. Step 6: Final answer
    x = 2,308.60

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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.