Home / 2,240.07-3,357.02-1,142.12

Finding the Fourth Proportional to 2,240.07, 3,357.02 and 1,142.12

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Solution

The fourth proportional to 2,240.07, 3,357.02 and 1,142.12 is: 1,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.07 : 3,357.02 = 1,142.12 : x
  2. Step 2: Convert to fraction form
    2,240.07/3,357.02 = 1,142.12/x
  3. Step 3: Cross multiply
    2,240.07x = 3,357.02 × 1,142.12
  4. Step 4: Simplify right side
    2,240.07x = 3,834,130.93
  5. Step 5: Solve for x
    x = 3,834,130.93/2,240.07
  6. Step 6: Final answer
    x = 1,711.61

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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.