Home / 2,245.40-3,368.77-1,150.54

Finding the Fourth Proportional to 2,245.40, 3,368.77 and 1,150.54

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Solution

The fourth proportional to 2,245.40, 3,368.77 and 1,150.54 is: 1,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.40 : 3,368.77 = 1,150.54 : x
  2. Step 2: Convert to fraction form
    2,245.40/3,368.77 = 1,150.54/x
  3. Step 3: Cross multiply
    2,245.40x = 3,368.77 × 1,150.54
  4. Step 4: Simplify right side
    2,245.40x = 3,875,899.81
  5. Step 5: Solve for x
    x = 3,875,899.81/2,245.40
  6. Step 6: Final answer
    x = 1,726.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.