Home / 3,739.02-5,609.36-1,142.16

Finding the Fourth Proportional to 3,739.02, 5,609.36 and 1,142.16

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Solution

The fourth proportional to 3,739.02, 5,609.36 and 1,142.16 is: 1,713.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.02 : 5,609.36 = 1,142.16 : x
  2. Step 2: Convert to fraction form
    3,739.02/5,609.36 = 1,142.16/x
  3. Step 3: Cross multiply
    3,739.02x = 5,609.36 × 1,142.16
  4. Step 4: Simplify right side
    3,739.02x = 6,406,780.91
  5. Step 5: Solve for x
    x = 6,406,780.91/3,739.02
  6. Step 6: Final answer
    x = 1,713.49

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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.