Home / 2,148.74-3,224.36-1,161.56

Finding the Fourth Proportional to 2,148.74, 3,224.36 and 1,161.56

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Solution

The fourth proportional to 2,148.74, 3,224.36 and 1,161.56 is: 1,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.74 : 3,224.36 = 1,161.56 : x
  2. Step 2: Convert to fraction form
    2,148.74/3,224.36 = 1,161.56/x
  3. Step 3: Cross multiply
    2,148.74x = 3,224.36 × 1,161.56
  4. Step 4: Simplify right side
    2,148.74x = 3,745,281.79
  5. Step 5: Solve for x
    x = 3,745,281.79/2,148.74
  6. Step 6: Final answer
    x = 1,743.01

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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.