Home / 3,975.13-5,957.43-1,507.60

Finding the Fourth Proportional to 3,975.13, 5,957.43 and 1,507.60

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Solution

The fourth proportional to 3,975.13, 5,957.43 and 1,507.60 is: 2,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.13 : 5,957.43 = 1,507.60 : x
  2. Step 2: Convert to fraction form
    3,975.13/5,957.43 = 1,507.60/x
  3. Step 3: Cross multiply
    3,975.13x = 5,957.43 × 1,507.60
  4. Step 4: Simplify right side
    3,975.13x = 8,981,421.47
  5. Step 5: Solve for x
    x = 8,981,421.47/3,975.13
  6. Step 6: Final answer
    x = 2,259.40

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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.