Home / 2,132.24-2,942.61-1,293.08

Finding the Fourth Proportional to 2,132.24, 2,942.61 and 1,293.08

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Solution

The fourth proportional to 2,132.24, 2,942.61 and 1,293.08 is: 1,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.24 : 2,942.61 = 1,293.08 : x
  2. Step 2: Convert to fraction form
    2,132.24/2,942.61 = 1,293.08/x
  3. Step 3: Cross multiply
    2,132.24x = 2,942.61 × 1,293.08
  4. Step 4: Simplify right side
    2,132.24x = 3,805,030.14
  5. Step 5: Solve for x
    x = 3,805,030.14/2,132.24
  6. Step 6: Final answer
    x = 1,784.52

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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.