Home / 3,620.06-5,430.64-1,154.16

Finding the Fourth Proportional to 3,620.06, 5,430.64 and 1,154.16

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Solution

The fourth proportional to 3,620.06, 5,430.64 and 1,154.16 is: 1,731.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.06 : 5,430.64 = 1,154.16 : x
  2. Step 2: Convert to fraction form
    3,620.06/5,430.64 = 1,154.16/x
  3. Step 3: Cross multiply
    3,620.06x = 5,430.64 × 1,154.16
  4. Step 4: Simplify right side
    3,620.06x = 6,267,827.46
  5. Step 5: Solve for x
    x = 6,267,827.46/3,620.06
  6. Step 6: Final answer
    x = 1,731.42

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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.