Home / 2,345.06-3,515.42-1,190.54

Finding the Fourth Proportional to 2,345.06, 3,515.42 and 1,190.54

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Solution

The fourth proportional to 2,345.06, 3,515.42 and 1,190.54 is: 1,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.06 : 3,515.42 = 1,190.54 : x
  2. Step 2: Convert to fraction form
    2,345.06/3,515.42 = 1,190.54/x
  3. Step 3: Cross multiply
    2,345.06x = 3,515.42 × 1,190.54
  4. Step 4: Simplify right side
    2,345.06x = 4,185,248.13
  5. Step 5: Solve for x
    x = 4,185,248.13/2,345.06
  6. Step 6: Final answer
    x = 1,784.71

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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.