Home / 2,012.40-2,776.97-1,349.15

Finding the Fourth Proportional to 2,012.40, 2,776.97 and 1,349.15

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Solution

The fourth proportional to 2,012.40, 2,776.97 and 1,349.15 is: 1,861.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.40 : 2,776.97 = 1,349.15 : x
  2. Step 2: Convert to fraction form
    2,012.40/2,776.97 = 1,349.15/x
  3. Step 3: Cross multiply
    2,012.40x = 2,776.97 × 1,349.15
  4. Step 4: Simplify right side
    2,012.40x = 3,746,538.56
  5. Step 5: Solve for x
    x = 3,746,538.56/2,012.40
  6. Step 6: Final answer
    x = 1,861.73

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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.