Home / 2,127.26-3,192.34-740.58

Finding the Fourth Proportional to 2,127.26, 3,192.34 and 740.58

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Solution

The fourth proportional to 2,127.26, 3,192.34 and 740.58 is: 1,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.26 : 3,192.34 = 740.58 : x
  2. Step 2: Convert to fraction form
    2,127.26/3,192.34 = 740.58/x
  3. Step 3: Cross multiply
    2,127.26x = 3,192.34 × 740.58
  4. Step 4: Simplify right side
    2,127.26x = 2,364,183.16
  5. Step 5: Solve for x
    x = 2,364,183.16/2,127.26
  6. Step 6: Final answer
    x = 1,111.37

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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.