Home / 3,345.51-5,018.67-1,154.73

Finding the Fourth Proportional to 3,345.51, 5,018.67 and 1,154.73

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Solution

The fourth proportional to 3,345.51, 5,018.67 and 1,154.73 is: 1,732.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.51 : 5,018.67 = 1,154.73 : x
  2. Step 2: Convert to fraction form
    3,345.51/5,018.67 = 1,154.73/x
  3. Step 3: Cross multiply
    3,345.51x = 5,018.67 × 1,154.73
  4. Step 4: Simplify right side
    3,345.51x = 5,795,208.81
  5. Step 5: Solve for x
    x = 5,795,208.81/3,345.51
  6. Step 6: Final answer
    x = 1,732.23

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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.