Home / 3,659.47-5,490.44-1,161.07

Finding the Fourth Proportional to 3,659.47, 5,490.44 and 1,161.07

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Solution

The fourth proportional to 3,659.47, 5,490.44 and 1,161.07 is: 1,742.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.47 : 5,490.44 = 1,161.07 : x
  2. Step 2: Convert to fraction form
    3,659.47/5,490.44 = 1,161.07/x
  3. Step 3: Cross multiply
    3,659.47x = 5,490.44 × 1,161.07
  4. Step 4: Simplify right side
    3,659.47x = 6,374,785.17
  5. Step 5: Solve for x
    x = 6,374,785.17/3,659.47
  6. Step 6: Final answer
    x = 1,742.00

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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.