Home / 1,349.47-2,010.26-1,308.67

Finding the Fourth Proportional to 1,349.47, 2,010.26 and 1,308.67

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Solution

The fourth proportional to 1,349.47, 2,010.26 and 1,308.67 is: 1,949.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.47 : 2,010.26 = 1,308.67 : x
  2. Step 2: Convert to fraction form
    1,349.47/2,010.26 = 1,308.67/x
  3. Step 3: Cross multiply
    1,349.47x = 2,010.26 × 1,308.67
  4. Step 4: Simplify right side
    1,349.47x = 2,630,755.39
  5. Step 5: Solve for x
    x = 2,630,755.39/1,349.47
  6. Step 6: Final answer
    x = 1,949.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.