Home / 3,608.25-5,412.53-1,143.01

Finding the Fourth Proportional to 3,608.25, 5,412.53 and 1,143.01

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Solution

The fourth proportional to 3,608.25, 5,412.53 and 1,143.01 is: 1,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.25 : 5,412.53 = 1,143.01 : x
  2. Step 2: Convert to fraction form
    3,608.25/5,412.53 = 1,143.01/x
  3. Step 3: Cross multiply
    3,608.25x = 5,412.53 × 1,143.01
  4. Step 4: Simplify right side
    3,608.25x = 6,186,587.11
  5. Step 5: Solve for x
    x = 6,186,587.11/3,608.25
  6. Step 6: Final answer
    x = 1,714.57

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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.