Home / 2,239.55-3,089.44-1,343.18

Finding the Fourth Proportional to 2,239.55, 3,089.44 and 1,343.18

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Solution

The fourth proportional to 2,239.55, 3,089.44 and 1,343.18 is: 1,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.55 : 3,089.44 = 1,343.18 : x
  2. Step 2: Convert to fraction form
    2,239.55/3,089.44 = 1,343.18/x
  3. Step 3: Cross multiply
    2,239.55x = 3,089.44 × 1,343.18
  4. Step 4: Simplify right side
    2,239.55x = 4,149,683.42
  5. Step 5: Solve for x
    x = 4,149,683.42/2,239.55
  6. Step 6: Final answer
    x = 1,852.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.