Home / 3,652.19-5,478.38-1,055.13

Finding the Fourth Proportional to 3,652.19, 5,478.38 and 1,055.13

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Solution

The fourth proportional to 3,652.19, 5,478.38 and 1,055.13 is: 1,582.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.19 : 5,478.38 = 1,055.13 : x
  2. Step 2: Convert to fraction form
    3,652.19/5,478.38 = 1,055.13/x
  3. Step 3: Cross multiply
    3,652.19x = 5,478.38 × 1,055.13
  4. Step 4: Simplify right side
    3,652.19x = 5,780,403.09
  5. Step 5: Solve for x
    x = 5,780,403.09/3,652.19
  6. Step 6: Final answer
    x = 1,582.72

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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.