Home / 2,132.07-2,941.81-1,235.62

Finding the Fourth Proportional to 2,132.07, 2,941.81 and 1,235.62

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Solution

The fourth proportional to 2,132.07, 2,941.81 and 1,235.62 is: 1,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.07 : 2,941.81 = 1,235.62 : x
  2. Step 2: Convert to fraction form
    2,132.07/2,941.81 = 1,235.62/x
  3. Step 3: Cross multiply
    2,132.07x = 2,941.81 × 1,235.62
  4. Step 4: Simplify right side
    2,132.07x = 3,634,959.27
  5. Step 5: Solve for x
    x = 3,634,959.27/2,132.07
  6. Step 6: Final answer
    x = 1,704.90

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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.