Home / 3,365.54-5,048.63-1,287.29

Finding the Fourth Proportional to 3,365.54, 5,048.63 and 1,287.29

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Solution

The fourth proportional to 3,365.54, 5,048.63 and 1,287.29 is: 1,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.54 : 5,048.63 = 1,287.29 : x
  2. Step 2: Convert to fraction form
    3,365.54/5,048.63 = 1,287.29/x
  3. Step 3: Cross multiply
    3,365.54x = 5,048.63 × 1,287.29
  4. Step 4: Simplify right side
    3,365.54x = 6,499,028.89
  5. Step 5: Solve for x
    x = 6,499,028.89/3,365.54
  6. Step 6: Final answer
    x = 1,931.05

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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.