Home / 3,507.12-5,261.60-1,316.02

Finding the Fourth Proportional to 3,507.12, 5,261.60 and 1,316.02

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Solution

The fourth proportional to 3,507.12, 5,261.60 and 1,316.02 is: 1,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.12 : 5,261.60 = 1,316.02 : x
  2. Step 2: Convert to fraction form
    3,507.12/5,261.60 = 1,316.02/x
  3. Step 3: Cross multiply
    3,507.12x = 5,261.60 × 1,316.02
  4. Step 4: Simplify right side
    3,507.12x = 6,924,370.83
  5. Step 5: Solve for x
    x = 6,924,370.83/3,507.12
  6. Step 6: Final answer
    x = 1,974.38

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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.